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Finding the Fourth Proportional to 247,545.46, 370,985.58 and 135,057.11

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Solution

The fourth proportional to 247,545.46, 370,985.58 and 135,057.11 is: 202,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,545.46 : 370,985.58 = 135,057.11 : x
  2. Step 2: Convert to fraction form
    247,545.46/370,985.58 = 135,057.11/x
  3. Step 3: Cross multiply
    247,545.46x = 370,985.58 × 135,057.11
  4. Step 4: Simplify right side
    247,545.46x = 50,104,241,213.94
  5. Step 5: Solve for x
    x = 50,104,241,213.94/247,545.46
  6. Step 6: Final answer
    x = 202,404.20

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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.