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Finding the Fourth Proportional to 177,775.91, 266,664.12 and 72,594.88

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Solution

The fourth proportional to 177,775.91, 266,664.12 and 72,594.88 is: 108,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,775.91 : 266,664.12 = 72,594.88 : x
  2. Step 2: Convert to fraction form
    177,775.91/266,664.12 = 72,594.88/x
  3. Step 3: Cross multiply
    177,775.91x = 266,664.12 × 72,594.88
  4. Step 4: Simplify right side
    177,775.91x = 19,358,449,791.71
  5. Step 5: Solve for x
    x = 19,358,449,791.71/177,775.91
  6. Step 6: Final answer
    x = 108,892.42

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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.