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Finding the Fourth Proportional to 206,527.60, 309,330.60 and 169,663.60

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Solution

The fourth proportional to 206,527.60, 309,330.60 and 169,663.60 is: 254,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,527.60 : 309,330.60 = 169,663.60 : x
  2. Step 2: Convert to fraction form
    206,527.60/309,330.60 = 169,663.60/x
  3. Step 3: Cross multiply
    206,527.60x = 309,330.60 × 169,663.60
  4. Step 4: Simplify right side
    206,527.60x = 52,482,143,186.16
  5. Step 5: Solve for x
    x = 52,482,143,186.16/206,527.60
  6. Step 6: Final answer
    x = 254,116.85

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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.