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Finding the Fourth Proportional to 118,200.60, 159,881.85 and 118,200.60

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Solution

The fourth proportional to 118,200.60, 159,881.85 and 118,200.60 is: 159,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,200.60 : 159,881.85 = 118,200.60 : x
  2. Step 2: Convert to fraction form
    118,200.60/159,881.85 = 118,200.60/x
  3. Step 3: Cross multiply
    118,200.60x = 159,881.85 × 118,200.60
  4. Step 4: Simplify right side
    118,200.60x = 18,898,130,599.11
  5. Step 5: Solve for x
    x = 18,898,130,599.11/118,200.60
  6. Step 6: Final answer
    x = 159,881.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.