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Finding the Fourth Proportional to 73,737.60, 110,536.32 and 47,008.56

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Solution

The fourth proportional to 73,737.60, 110,536.32 and 47,008.56 is: 70,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,737.60 : 110,536.32 = 47,008.56 : x
  2. Step 2: Convert to fraction form
    73,737.60/110,536.32 = 47,008.56/x
  3. Step 3: Cross multiply
    73,737.60x = 110,536.32 × 47,008.56
  4. Step 4: Simplify right side
    73,737.60x = 5,196,153,230.90
  5. Step 5: Solve for x
    x = 5,196,153,230.90/73,737.60
  6. Step 6: Final answer
    x = 70,468.16

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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.