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Finding the Fourth Proportional to 145,797.60, 218,689.92 and 40,614.24

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Solution

The fourth proportional to 145,797.60, 218,689.92 and 40,614.24 is: 60,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,797.60 : 218,689.92 = 40,614.24 : x
  2. Step 2: Convert to fraction form
    145,797.60/218,689.92 = 40,614.24/x
  3. Step 3: Cross multiply
    145,797.60x = 218,689.92 × 40,614.24
  4. Step 4: Simplify right side
    145,797.60x = 8,881,924,896.46
  5. Step 5: Solve for x
    x = 8,881,924,896.46/145,797.60
  6. Step 6: Final answer
    x = 60,919.55

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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.