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Finding the Fourth Proportional to 173,422.60, 260,158.68 and 53,489.64

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Solution

The fourth proportional to 173,422.60, 260,158.68 and 53,489.64 is: 80,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,422.60 : 260,158.68 = 53,489.64 : x
  2. Step 2: Convert to fraction form
    173,422.60/260,158.68 = 53,489.64/x
  3. Step 3: Cross multiply
    173,422.60x = 260,158.68 × 53,489.64
  4. Step 4: Simplify right side
    173,422.60x = 13,915,794,136.08
  5. Step 5: Solve for x
    x = 13,915,794,136.08/173,422.60
  6. Step 6: Final answer
    x = 80,242.10

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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.