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Finding the Fourth Proportional to 171,732.60, 257,478.90 and 101,575.80

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Solution

The fourth proportional to 171,732.60, 257,478.90 and 101,575.80 is: 152,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,732.60 : 257,478.90 = 101,575.80 : x
  2. Step 2: Convert to fraction form
    171,732.60/257,478.90 = 101,575.80/x
  3. Step 3: Cross multiply
    171,732.60x = 257,478.90 × 101,575.80
  4. Step 4: Simplify right side
    171,732.60x = 26,153,625,250.62
  5. Step 5: Solve for x
    x = 26,153,625,250.62/171,732.60
  6. Step 6: Final answer
    x = 152,292.72

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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.