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Finding the Fourth Proportional to 88,861.40, 133,073.40 and 59,118.20

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Solution

The fourth proportional to 88,861.40, 133,073.40 and 59,118.20 is: 88,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.40 : 133,073.40 = 59,118.20 : x
  2. Step 2: Convert to fraction form
    88,861.40/133,073.40 = 59,118.20/x
  3. Step 3: Cross multiply
    88,861.40x = 133,073.40 × 59,118.20
  4. Step 4: Simplify right side
    88,861.40x = 7,867,059,875.88
  5. Step 5: Solve for x
    x = 7,867,059,875.88/88,861.40
  6. Step 6: Final answer
    x = 88,531.80

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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.