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Finding the Fourth Proportional to 325,681.20, 488,545.56 and 101,013.20

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Solution

The fourth proportional to 325,681.20, 488,545.56 and 101,013.20 is: 151,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,681.20 : 488,545.56 = 101,013.20 : x
  2. Step 2: Convert to fraction form
    325,681.20/488,545.56 = 101,013.20/x
  3. Step 3: Cross multiply
    325,681.20x = 488,545.56 × 101,013.20
  4. Step 4: Simplify right side
    325,681.20x = 49,349,550,361.39
  5. Step 5: Solve for x
    x = 49,349,550,361.39/325,681.20
  6. Step 6: Final answer
    x = 151,527.17

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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.