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Finding the Fourth Proportional to 118,449.91, 177,648.70 and 34,191.76

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Solution

The fourth proportional to 118,449.91, 177,648.70 and 34,191.76 is: 51,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,449.91 : 177,648.70 = 34,191.76 : x
  2. Step 2: Convert to fraction form
    118,449.91/177,648.70 = 34,191.76/x
  3. Step 3: Cross multiply
    118,449.91x = 177,648.70 × 34,191.76
  4. Step 4: Simplify right side
    118,449.91x = 6,074,121,714.71
  5. Step 5: Solve for x
    x = 6,074,121,714.71/118,449.91
  6. Step 6: Final answer
    x = 51,280.09

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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.