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Finding the Fourth Proportional to 177,765.60, 266,259.60 and 138,010.80

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Solution

The fourth proportional to 177,765.60, 266,259.60 and 138,010.80 is: 206,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,765.60 : 266,259.60 = 138,010.80 : x
  2. Step 2: Convert to fraction form
    177,765.60/266,259.60 = 138,010.80/x
  3. Step 3: Cross multiply
    177,765.60x = 266,259.60 × 138,010.80
  4. Step 4: Simplify right side
    177,765.60x = 36,746,700,403.68
  5. Step 5: Solve for x
    x = 36,746,700,403.68/177,765.60
  6. Step 6: Final answer
    x = 206,714.35

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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.