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Finding the Fourth Proportional to 123,967.99, 185,878.07 and 49,098.88

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Solution

The fourth proportional to 123,967.99, 185,878.07 and 49,098.88 is: 73,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,967.99 : 185,878.07 = 49,098.88 : x
  2. Step 2: Convert to fraction form
    123,967.99/185,878.07 = 49,098.88/x
  3. Step 3: Cross multiply
    123,967.99x = 185,878.07 × 49,098.88
  4. Step 4: Simplify right side
    123,967.99x = 9,126,403,878.68
  5. Step 5: Solve for x
    x = 9,126,403,878.68/123,967.99
  6. Step 6: Final answer
    x = 73,619.04

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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.