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Finding the Fourth Proportional to 157,776.03, 219,200.78 and 155,884.32

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Solution

The fourth proportional to 157,776.03, 219,200.78 and 155,884.32 is: 216,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,776.03 : 219,200.78 = 155,884.32 : x
  2. Step 2: Convert to fraction form
    157,776.03/219,200.78 = 155,884.32/x
  3. Step 3: Cross multiply
    157,776.03x = 219,200.78 × 155,884.32
  4. Step 4: Simplify right side
    157,776.03x = 34,169,964,923.48
  5. Step 5: Solve for x
    x = 34,169,964,923.48/157,776.03
  6. Step 6: Final answer
    x = 216,572.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.