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Finding the Fourth Proportional to 177,666.66, 266,470.80 and 63,790.90

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Solution

The fourth proportional to 177,666.66, 266,470.80 and 63,790.90 is: 95,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,666.66 : 266,470.80 = 63,790.90 : x
  2. Step 2: Convert to fraction form
    177,666.66/266,470.80 = 63,790.90/x
  3. Step 3: Cross multiply
    177,666.66x = 266,470.80 × 63,790.90
  4. Step 4: Simplify right side
    177,666.66x = 16,998,411,662.25
  5. Step 5: Solve for x
    x = 16,998,411,662.25/177,666.66
  6. Step 6: Final answer
    x = 95,675.86

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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.