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Finding the Fourth Proportional to 88,454, 132,681 and 26,129.36

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Solution

The fourth proportional to 88,454, 132,681 and 26,129.36 is: 39,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,454 : 132,681 = 26,129.36 : x
  2. Step 2: Convert to fraction form
    88,454/132,681 = 26,129.36/x
  3. Step 3: Cross multiply
    88,454x = 132,681 × 26,129.36
  4. Step 4: Simplify right side
    88,454x = 3,466,869,614.16
  5. Step 5: Solve for x
    x = 3,466,869,614.16/88,454
  6. Step 6: Final answer
    x = 39,194.04

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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.