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Finding the Fourth Proportional to 250,642.04, 375,812.82 and 79,789.95

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Solution

The fourth proportional to 250,642.04, 375,812.82 and 79,789.95 is: 119,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,642.04 : 375,812.82 = 79,789.95 : x
  2. Step 2: Convert to fraction form
    250,642.04/375,812.82 = 79,789.95/x
  3. Step 3: Cross multiply
    250,642.04x = 375,812.82 × 79,789.95
  4. Step 4: Simplify right side
    250,642.04x = 29,986,086,117.16
  5. Step 5: Solve for x
    x = 29,986,086,117.16/250,642.04
  6. Step 6: Final answer
    x = 119,637.10

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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.