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Finding the Fourth Proportional to 121,308.87, 167,404.01 and 67,592.73

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Solution

The fourth proportional to 121,308.87, 167,404.01 and 67,592.73 is: 93,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,308.87 : 167,404.01 = 67,592.73 : x
  2. Step 2: Convert to fraction form
    121,308.87/167,404.01 = 67,592.73/x
  3. Step 3: Cross multiply
    121,308.87x = 167,404.01 × 67,592.73
  4. Step 4: Simplify right side
    121,308.87x = 11,315,294,048.85
  5. Step 5: Solve for x
    x = 11,315,294,048.85/121,308.87
  6. Step 6: Final answer
    x = 93,276.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.