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Finding the Fourth Proportional to 177,659.20, 266,488.80 and 51,299.20

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Solution

The fourth proportional to 177,659.20, 266,488.80 and 51,299.20 is: 76,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,659.20 : 266,488.80 = 51,299.20 : x
  2. Step 2: Convert to fraction form
    177,659.20/266,488.80 = 51,299.20/x
  3. Step 3: Cross multiply
    177,659.20x = 266,488.80 × 51,299.20
  4. Step 4: Simplify right side
    177,659.20x = 13,670,662,248.96
  5. Step 5: Solve for x
    x = 13,670,662,248.96/177,659.20
  6. Step 6: Final answer
    x = 76,948.80

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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.