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Finding the Fourth Proportional to 69,875.71, 96,442.13 and 44,411.74

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Solution

The fourth proportional to 69,875.71, 96,442.13 and 44,411.74 is: 61,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,875.71 : 96,442.13 = 44,411.74 : x
  2. Step 2: Convert to fraction form
    69,875.71/96,442.13 = 44,411.74/x
  3. Step 3: Cross multiply
    69,875.71x = 96,442.13 × 44,411.74
  4. Step 4: Simplify right side
    69,875.71x = 4,283,162,672.53
  5. Step 5: Solve for x
    x = 4,283,162,672.53/69,875.71
  6. Step 6: Final answer
    x = 61,296.88

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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.