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Finding the Fourth Proportional to 168,658.88, 252,951.07 and 48,689.76

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Solution

The fourth proportional to 168,658.88, 252,951.07 and 48,689.76 is: 73,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.88 : 252,951.07 = 48,689.76 : x
  2. Step 2: Convert to fraction form
    168,658.88/252,951.07 = 48,689.76/x
  3. Step 3: Cross multiply
    168,658.88x = 252,951.07 × 48,689.76
  4. Step 4: Simplify right side
    168,658.88x = 12,316,126,890.04
  5. Step 5: Solve for x
    x = 12,316,126,890.04/168,658.88
  6. Step 6: Final answer
    x = 73,023.89

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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.