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Finding the Fourth Proportional to 177,338.30, 266,007.45 and 161,008.70

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Solution

The fourth proportional to 177,338.30, 266,007.45 and 161,008.70 is: 241,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,338.30 : 266,007.45 = 161,008.70 : x
  2. Step 2: Convert to fraction form
    177,338.30/266,007.45 = 161,008.70/x
  3. Step 3: Cross multiply
    177,338.30x = 266,007.45 × 161,008.70
  4. Step 4: Simplify right side
    177,338.30x = 42,829,513,714.82
  5. Step 5: Solve for x
    x = 42,829,513,714.82/177,338.30
  6. Step 6: Final answer
    x = 241,513.05

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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.