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Finding the Fourth Proportional to 134,472.60, 201,708.90 and 123,413.40

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Solution

The fourth proportional to 134,472.60, 201,708.90 and 123,413.40 is: 185,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.60 : 201,708.90 = 123,413.40 : x
  2. Step 2: Convert to fraction form
    134,472.60/201,708.90 = 123,413.40/x
  3. Step 3: Cross multiply
    134,472.60x = 201,708.90 × 123,413.40
  4. Step 4: Simplify right side
    134,472.60x = 24,893,581,159.26
  5. Step 5: Solve for x
    x = 24,893,581,159.26/134,472.60
  6. Step 6: Final answer
    x = 185,120.10

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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.