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Finding the Fourth Proportional to 272,522.40, 408,637.80 and 95,035.20

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Solution

The fourth proportional to 272,522.40, 408,637.80 and 95,035.20 is: 142,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,522.40 : 408,637.80 = 95,035.20 : x
  2. Step 2: Convert to fraction form
    272,522.40/408,637.80 = 95,035.20/x
  3. Step 3: Cross multiply
    272,522.40x = 408,637.80 × 95,035.20
  4. Step 4: Simplify right side
    272,522.40x = 38,834,975,050.56
  5. Step 5: Solve for x
    x = 38,834,975,050.56/272,522.40
  6. Step 6: Final answer
    x = 142,501.96

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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.