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Finding the Fourth Proportional to 173,712.60, 260,180.10 and 142,608.60

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Solution

The fourth proportional to 173,712.60, 260,180.10 and 142,608.60 is: 213,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.60 : 260,180.10 = 142,608.60 : x
  2. Step 2: Convert to fraction form
    173,712.60/260,180.10 = 142,608.60/x
  3. Step 3: Cross multiply
    173,712.60x = 260,180.10 × 142,608.60
  4. Step 4: Simplify right side
    173,712.60x = 37,103,919,808.86
  5. Step 5: Solve for x
    x = 37,103,919,808.86/173,712.60
  6. Step 6: Final answer
    x = 213,593.72

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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.