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Finding the Fourth Proportional to 177,883.59, 266,854.56 and 72,674.31

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Solution

The fourth proportional to 177,883.59, 266,854.56 and 72,674.31 is: 109,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,883.59 : 266,854.56 = 72,674.31 : x
  2. Step 2: Convert to fraction form
    177,883.59/266,854.56 = 72,674.31/x
  3. Step 3: Cross multiply
    177,883.59x = 266,854.56 × 72,674.31
  4. Step 4: Simplify right side
    177,883.59x = 19,393,471,018.35
  5. Step 5: Solve for x
    x = 19,393,471,018.35/177,883.59
  6. Step 6: Final answer
    x = 109,023.38

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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.