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Finding the Fourth Proportional to 162,654.80, 224,455.56 and 91,034.96

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Solution

The fourth proportional to 162,654.80, 224,455.56 and 91,034.96 is: 125,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,654.80 : 224,455.56 = 91,034.96 : x
  2. Step 2: Convert to fraction form
    162,654.80/224,455.56 = 91,034.96/x
  3. Step 3: Cross multiply
    162,654.80x = 224,455.56 × 91,034.96
  4. Step 4: Simplify right side
    162,654.80x = 20,433,302,926.38
  5. Step 5: Solve for x
    x = 20,433,302,926.38/162,654.80
  6. Step 6: Final answer
    x = 125,623.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.