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Finding the Fourth Proportional to 66,715.96, 100,188.45 and 59,236.42

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Solution

The fourth proportional to 66,715.96, 100,188.45 and 59,236.42 is: 88,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.96 : 100,188.45 = 59,236.42 : x
  2. Step 2: Convert to fraction form
    66,715.96/100,188.45 = 59,236.42/x
  3. Step 3: Cross multiply
    66,715.96x = 100,188.45 × 59,236.42
  4. Step 4: Simplify right side
    66,715.96x = 5,934,805,103.35
  5. Step 5: Solve for x
    x = 5,934,805,103.35/66,715.96
  6. Step 6: Final answer
    x = 88,956.30

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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.