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Finding the Fourth Proportional to 90,626.60, 135,810.30 and 62,892.20

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Solution

The fourth proportional to 90,626.60, 135,810.30 and 62,892.20 is: 94,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626.60 : 135,810.30 = 62,892.20 : x
  2. Step 2: Convert to fraction form
    90,626.60/135,810.30 = 62,892.20/x
  3. Step 3: Cross multiply
    90,626.60x = 135,810.30 × 62,892.20
  4. Step 4: Simplify right side
    90,626.60x = 8,541,408,549.66
  5. Step 5: Solve for x
    x = 8,541,408,549.66/90,626.60
  6. Step 6: Final answer
    x = 94,248.36

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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.