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Finding the Fourth Proportional to 235,737.54, 325,291.17 and 138,935.10

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Solution

The fourth proportional to 235,737.54, 325,291.17 and 138,935.10 is: 191,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,737.54 : 325,291.17 = 138,935.10 : x
  2. Step 2: Convert to fraction form
    235,737.54/325,291.17 = 138,935.10/x
  3. Step 3: Cross multiply
    235,737.54x = 325,291.17 × 138,935.10
  4. Step 4: Simplify right side
    235,737.54x = 45,194,361,233.07
  5. Step 5: Solve for x
    x = 45,194,361,233.07/235,737.54
  6. Step 6: Final answer
    x = 191,714.74

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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.