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Finding the Fourth Proportional to 64,416.03, 88,849.14 and 62,248.47

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Solution

The fourth proportional to 64,416.03, 88,849.14 and 62,248.47 is: 85,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.03 : 88,849.14 = 62,248.47 : x
  2. Step 2: Convert to fraction form
    64,416.03/88,849.14 = 62,248.47/x
  3. Step 3: Cross multiply
    64,416.03x = 88,849.14 × 62,248.47
  4. Step 4: Simplify right side
    64,416.03x = 5,530,723,025.82
  5. Step 5: Solve for x
    x = 5,530,723,025.82/64,416.03
  6. Step 6: Final answer
    x = 85,859.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.