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Finding the Fourth Proportional to 99,165.87, 148,650.39 and 88,588.08

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Solution

The fourth proportional to 99,165.87, 148,650.39 and 88,588.08 is: 132,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.87 : 148,650.39 = 88,588.08 : x
  2. Step 2: Convert to fraction form
    99,165.87/148,650.39 = 88,588.08/x
  3. Step 3: Cross multiply
    99,165.87x = 148,650.39 × 88,588.08
  4. Step 4: Simplify right side
    99,165.87x = 13,168,652,641.35
  5. Step 5: Solve for x
    x = 13,168,652,641.35/99,165.87
  6. Step 6: Final answer
    x = 132,794.20

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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.