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Finding the Fourth Proportional to 168,658.60, 253,002.30 and 57,850.60

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Solution

The fourth proportional to 168,658.60, 253,002.30 and 57,850.60 is: 86,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.60 : 253,002.30 = 57,850.60 : x
  2. Step 2: Convert to fraction form
    168,658.60/253,002.30 = 57,850.60/x
  3. Step 3: Cross multiply
    168,658.60x = 253,002.30 × 57,850.60
  4. Step 4: Simplify right side
    168,658.60x = 14,636,334,856.38
  5. Step 5: Solve for x
    x = 14,636,334,856.38/168,658.60
  6. Step 6: Final answer
    x = 86,780.84

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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.