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Finding the Fourth Proportional to 177,654.40, 266,627.40 and 171,822.40

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Solution

The fourth proportional to 177,654.40, 266,627.40 and 171,822.40 is: 257,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,654.40 : 266,627.40 = 171,822.40 : x
  2. Step 2: Convert to fraction form
    177,654.40/266,627.40 = 171,822.40/x
  3. Step 3: Cross multiply
    177,654.40x = 266,627.40 × 171,822.40
  4. Step 4: Simplify right side
    177,654.40x = 45,812,559,773.76
  5. Step 5: Solve for x
    x = 45,812,559,773.76/177,654.40
  6. Step 6: Final answer
    x = 257,874.61

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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.