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Finding the Fourth Proportional to 177,999.90, 266,999.85 and 93,644.70

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Solution

The fourth proportional to 177,999.90, 266,999.85 and 93,644.70 is: 140,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.90 : 266,999.85 = 93,644.70 : x
  2. Step 2: Convert to fraction form
    177,999.90/266,999.85 = 93,644.70/x
  3. Step 3: Cross multiply
    177,999.90x = 266,999.85 × 93,644.70
  4. Step 4: Simplify right side
    177,999.90x = 25,003,120,853.30
  5. Step 5: Solve for x
    x = 25,003,120,853.30/177,999.90
  6. Step 6: Final answer
    x = 140,467.05

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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.