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Finding the Fourth Proportional to 127,052.16, 175,327.92 and 69,690.66

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Solution

The fourth proportional to 127,052.16, 175,327.92 and 69,690.66 is: 96,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,052.16 : 175,327.92 = 69,690.66 : x
  2. Step 2: Convert to fraction form
    127,052.16/175,327.92 = 69,690.66/x
  3. Step 3: Cross multiply
    127,052.16x = 175,327.92 × 69,690.66
  4. Step 4: Simplify right side
    127,052.16x = 12,218,718,461.23
  5. Step 5: Solve for x
    x = 12,218,718,461.23/127,052.16
  6. Step 6: Final answer
    x = 96,170.88

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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.