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Finding the Fourth Proportional to 69,959.77, 96,541.67 and 38,127.98

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Solution

The fourth proportional to 69,959.77, 96,541.67 and 38,127.98 is: 52,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,959.77 : 96,541.67 = 38,127.98 : x
  2. Step 2: Convert to fraction form
    69,959.77/96,541.67 = 38,127.98/x
  3. Step 3: Cross multiply
    69,959.77x = 96,541.67 × 38,127.98
  4. Step 4: Simplify right side
    69,959.77x = 3,680,938,672.29
  5. Step 5: Solve for x
    x = 3,680,938,672.29/69,959.77
  6. Step 6: Final answer
    x = 52,615.08

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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.