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Finding the Fourth Proportional to 144,362.04, 216,489.12 and 49,565.31

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Solution

The fourth proportional to 144,362.04, 216,489.12 and 49,565.31 is: 74,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,362.04 : 216,489.12 = 49,565.31 : x
  2. Step 2: Convert to fraction form
    144,362.04/216,489.12 = 49,565.31/x
  3. Step 3: Cross multiply
    144,362.04x = 216,489.12 × 49,565.31
  4. Step 4: Simplify right side
    144,362.04x = 10,730,350,344.43
  5. Step 5: Solve for x
    x = 10,730,350,344.43/144,362.04
  6. Step 6: Final answer
    x = 74,329.45

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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.