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Finding the Fourth Proportional to 177,546.80, 266,320.20 and 153,700.40

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Solution

The fourth proportional to 177,546.80, 266,320.20 and 153,700.40 is: 230,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,546.80 : 266,320.20 = 153,700.40 : x
  2. Step 2: Convert to fraction form
    177,546.80/266,320.20 = 153,700.40/x
  3. Step 3: Cross multiply
    177,546.80x = 266,320.20 × 153,700.40
  4. Step 4: Simplify right side
    177,546.80x = 40,933,521,268.08
  5. Step 5: Solve for x
    x = 40,933,521,268.08/177,546.80
  6. Step 6: Final answer
    x = 230,550.60

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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.