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Finding the Fourth Proportional to 174,559.60, 261,839.40 and 103,700.80

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Solution

The fourth proportional to 174,559.60, 261,839.40 and 103,700.80 is: 155,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,559.60 : 261,839.40 = 103,700.80 : x
  2. Step 2: Convert to fraction form
    174,559.60/261,839.40 = 103,700.80/x
  3. Step 3: Cross multiply
    174,559.60x = 261,839.40 × 103,700.80
  4. Step 4: Simplify right side
    174,559.60x = 27,152,955,251.52
  5. Step 5: Solve for x
    x = 27,152,955,251.52/174,559.60
  6. Step 6: Final answer
    x = 155,551.20

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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.