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Finding the Fourth Proportional to 357,983.38, 537,123.77 and 144,901.92

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Solution

The fourth proportional to 357,983.38, 537,123.77 and 144,901.92 is: 217,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,983.38 : 537,123.77 = 144,901.92 : x
  2. Step 2: Convert to fraction form
    357,983.38/537,123.77 = 144,901.92/x
  3. Step 3: Cross multiply
    357,983.38x = 537,123.77 × 144,901.92
  4. Step 4: Simplify right side
    357,983.38x = 77,830,264,207.83
  5. Step 5: Solve for x
    x = 77,830,264,207.83/357,983.38
  6. Step 6: Final answer
    x = 217,413.07

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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.