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Finding the Fourth Proportional to 137,646.64, 206,330.56 and 93,277.92

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Solution

The fourth proportional to 137,646.64, 206,330.56 and 93,277.92 is: 139,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,646.64 : 206,330.56 = 93,277.92 : x
  2. Step 2: Convert to fraction form
    137,646.64/206,330.56 = 93,277.92/x
  3. Step 3: Cross multiply
    137,646.64x = 206,330.56 × 93,277.92
  4. Step 4: Simplify right side
    137,646.64x = 19,246,085,469.24
  5. Step 5: Solve for x
    x = 19,246,085,469.24/137,646.64
  6. Step 6: Final answer
    x = 139,822.41

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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.