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Finding the Fourth Proportional to 91,288.10, 136,932.15 and 44,500.88

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Solution

The fourth proportional to 91,288.10, 136,932.15 and 44,500.88 is: 66,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.10 : 136,932.15 = 44,500.88 : x
  2. Step 2: Convert to fraction form
    91,288.10/136,932.15 = 44,500.88/x
  3. Step 3: Cross multiply
    91,288.10x = 136,932.15 × 44,500.88
  4. Step 4: Simplify right side
    91,288.10x = 6,093,600,490.63
  5. Step 5: Solve for x
    x = 6,093,600,490.63/91,288.10
  6. Step 6: Final answer
    x = 66,751.32

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1.5x scale

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.