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Finding the Fourth Proportional to 177,705.90, 266,605.58 and 63,865.20

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Solution

The fourth proportional to 177,705.90, 266,605.58 and 63,865.20 is: 95,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,705.90 : 266,605.58 = 63,865.20 : x
  2. Step 2: Convert to fraction form
    177,705.90/266,605.58 = 63,865.20/x
  3. Step 3: Cross multiply
    177,705.90x = 266,605.58 × 63,865.20
  4. Step 4: Simplify right side
    177,705.90x = 17,026,818,687.82
  5. Step 5: Solve for x
    x = 17,026,818,687.82/177,705.90
  6. Step 6: Final answer
    x = 95,814.59

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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.