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Finding the Fourth Proportional to 73,772.47, 101,813.89 and 45,108.93

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Solution

The fourth proportional to 73,772.47, 101,813.89 and 45,108.93 is: 62,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,772.47 : 101,813.89 = 45,108.93 : x
  2. Step 2: Convert to fraction form
    73,772.47/101,813.89 = 45,108.93/x
  3. Step 3: Cross multiply
    73,772.47x = 101,813.89 × 45,108.93
  4. Step 4: Simplify right side
    73,772.47x = 4,592,715,759.58
  5. Step 5: Solve for x
    x = 4,592,715,759.58/73,772.47
  6. Step 6: Final answer
    x = 62,255.14

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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.