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Finding the Fourth Proportional to 151,479.92, 209,077.88 and 94,162.48

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Solution

The fourth proportional to 151,479.92, 209,077.88 and 94,162.48 is: 129,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,479.92 : 209,077.88 = 94,162.48 : x
  2. Step 2: Convert to fraction form
    151,479.92/209,077.88 = 94,162.48/x
  3. Step 3: Cross multiply
    151,479.92x = 209,077.88 × 94,162.48
  4. Step 4: Simplify right side
    151,479.92x = 19,687,291,693.94
  5. Step 5: Solve for x
    x = 19,687,291,693.94/151,479.92
  6. Step 6: Final answer
    x = 129,966.35

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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.