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Finding the Fourth Proportional to 112,762,893.60, 157,527,928.80 and 112,762,893.60

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Solution

The fourth proportional to 112,762,893.60, 157,527,928.80 and 112,762,893.60 is: 157,527,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,762,893.60 : 157,527,928.80 = 112,762,893.60 : x
  2. Step 2: Convert to fraction form
    112,762,893.60/157,527,928.80 = 112,762,893.60/x
  3. Step 3: Cross multiply
    112,762,893.60x = 157,527,928.80 × 112,762,893.60
  4. Step 4: Simplify right side
    112,762,893.60x = 17,763,305,074,302,776
  5. Step 5: Solve for x
    x = 17,763,305,074,302,776/112,762,893.60
  6. Step 6: Final answer
    x = 157,527,928.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.