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Finding the Fourth Proportional to 58,769.60, 88,154.40 and 40,107.20

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Solution

The fourth proportional to 58,769.60, 88,154.40 and 40,107.20 is: 60,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,769.60 : 88,154.40 = 40,107.20 : x
  2. Step 2: Convert to fraction form
    58,769.60/88,154.40 = 40,107.20/x
  3. Step 3: Cross multiply
    58,769.60x = 88,154.40 × 40,107.20
  4. Step 4: Simplify right side
    58,769.60x = 3,535,626,151.68
  5. Step 5: Solve for x
    x = 3,535,626,151.68/58,769.60
  6. Step 6: Final answer
    x = 60,160.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.