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Finding the Fourth Proportional to 67,713.16, 101,541.66 and 25,585.96

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Solution

The fourth proportional to 67,713.16, 101,541.66 and 25,585.96 is: 38,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713.16 : 101,541.66 = 25,585.96 : x
  2. Step 2: Convert to fraction form
    67,713.16/101,541.66 = 25,585.96/x
  3. Step 3: Cross multiply
    67,713.16x = 101,541.66 × 25,585.96
  4. Step 4: Simplify right side
    67,713.16x = 2,598,040,851.09
  5. Step 5: Solve for x
    x = 2,598,040,851.09/67,713.16
  6. Step 6: Final answer
    x = 38,368.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.