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Finding the Fourth Proportional to 99,885.34, 149,778.46 and 36,702.91

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Solution

The fourth proportional to 99,885.34, 149,778.46 and 36,702.91 is: 55,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,885.34 : 149,778.46 = 36,702.91 : x
  2. Step 2: Convert to fraction form
    99,885.34/149,778.46 = 36,702.91/x
  3. Step 3: Cross multiply
    99,885.34x = 149,778.46 × 36,702.91
  4. Step 4: Simplify right side
    99,885.34x = 5,497,305,337.32
  5. Step 5: Solve for x
    x = 5,497,305,337.32/99,885.34
  6. Step 6: Final answer
    x = 55,036.16

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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.