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Finding the Fourth Proportional to 88,290, 132,347.52 and 41,459.04

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Solution

The fourth proportional to 88,290, 132,347.52 and 41,459.04 is: 62,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,290 : 132,347.52 = 41,459.04 : x
  2. Step 2: Convert to fraction form
    88,290/132,347.52 = 41,459.04/x
  3. Step 3: Cross multiply
    88,290x = 132,347.52 × 41,459.04
  4. Step 4: Simplify right side
    88,290x = 5,487,001,125.58
  5. Step 5: Solve for x
    x = 5,487,001,125.58/88,290
  6. Step 6: Final answer
    x = 62,147.48

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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.