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Finding the Fourth Proportional to 177,484.50, 266,265.63 and 66,676.50

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Solution

The fourth proportional to 177,484.50, 266,265.63 and 66,676.50 is: 100,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,484.50 : 266,265.63 = 66,676.50 : x
  2. Step 2: Convert to fraction form
    177,484.50/266,265.63 = 66,676.50/x
  3. Step 3: Cross multiply
    177,484.50x = 266,265.63 × 66,676.50
  4. Step 4: Simplify right side
    177,484.50x = 17,753,660,278.70
  5. Step 5: Solve for x
    x = 17,753,660,278.70/177,484.50
  6. Step 6: Final answer
    x = 100,029.36

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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.