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Finding the Fourth Proportional to 126,952.61, 175,188.45 and 73,254.97

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Solution

The fourth proportional to 126,952.61, 175,188.45 and 73,254.97 is: 101,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,952.61 : 175,188.45 = 73,254.97 : x
  2. Step 2: Convert to fraction form
    126,952.61/175,188.45 = 73,254.97/x
  3. Step 3: Cross multiply
    126,952.61x = 175,188.45 × 73,254.97
  4. Step 4: Simplify right side
    126,952.61x = 12,833,424,211.13
  5. Step 5: Solve for x
    x = 12,833,424,211.13/126,952.61
  6. Step 6: Final answer
    x = 101,088.30

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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.