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Finding the Fourth Proportional to 108,885.20, 163,327.80 and 95,061.20

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Solution

The fourth proportional to 108,885.20, 163,327.80 and 95,061.20 is: 142,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,885.20 : 163,327.80 = 95,061.20 : x
  2. Step 2: Convert to fraction form
    108,885.20/163,327.80 = 95,061.20/x
  3. Step 3: Cross multiply
    108,885.20x = 163,327.80 × 95,061.20
  4. Step 4: Simplify right side
    108,885.20x = 15,526,136,661.36
  5. Step 5: Solve for x
    x = 15,526,136,661.36/108,885.20
  6. Step 6: Final answer
    x = 142,591.80

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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.