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Finding the Fourth Proportional to 88,686.60, 133,031.12 and 29,522.48

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Solution

The fourth proportional to 88,686.60, 133,031.12 and 29,522.48 is: 44,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,686.60 : 133,031.12 = 29,522.48 : x
  2. Step 2: Convert to fraction form
    88,686.60/133,031.12 = 29,522.48/x
  3. Step 3: Cross multiply
    88,686.60x = 133,031.12 × 29,522.48
  4. Step 4: Simplify right side
    88,686.60x = 3,927,408,579.58
  5. Step 5: Solve for x
    x = 3,927,408,579.58/88,686.60
  6. Step 6: Final answer
    x = 44,284.13

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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.