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Finding the Fourth Proportional to 126,854.10, 175,051.15 and 69,481.98

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Solution

The fourth proportional to 126,854.10, 175,051.15 and 69,481.98 is: 95,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.10 : 175,051.15 = 69,481.98 : x
  2. Step 2: Convert to fraction form
    126,854.10/175,051.15 = 69,481.98/x
  3. Step 3: Cross multiply
    126,854.10x = 175,051.15 × 69,481.98
  4. Step 4: Simplify right side
    126,854.10x = 12,162,900,503.28
  5. Step 5: Solve for x
    x = 12,162,900,503.28/126,854.10
  6. Step 6: Final answer
    x = 95,881.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.