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Finding the Fourth Proportional to 177,849.77, 266,774.64 and 72,668.63

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Solution

The fourth proportional to 177,849.77, 266,774.64 and 72,668.63 is: 109,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,849.77 : 266,774.64 = 72,668.63 : x
  2. Step 2: Convert to fraction form
    177,849.77/266,774.64 = 72,668.63/x
  3. Step 3: Cross multiply
    177,849.77x = 266,774.64 × 72,668.63
  4. Step 4: Simplify right side
    177,849.77x = 19,386,146,273.67
  5. Step 5: Solve for x
    x = 19,386,146,273.67/177,849.77
  6. Step 6: Final answer
    x = 109,002.93

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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.