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Finding the Fourth Proportional to 141,697.50, 212,546.25 and 58,593.66

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Solution

The fourth proportional to 141,697.50, 212,546.25 and 58,593.66 is: 87,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,697.50 : 212,546.25 = 58,593.66 : x
  2. Step 2: Convert to fraction form
    141,697.50/212,546.25 = 58,593.66/x
  3. Step 3: Cross multiply
    141,697.50x = 212,546.25 × 58,593.66
  4. Step 4: Simplify right side
    141,697.50x = 12,453,862,706.78
  5. Step 5: Solve for x
    x = 12,453,862,706.78/141,697.50
  6. Step 6: Final answer
    x = 87,890.49

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Double scale
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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.