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Finding the Fourth Proportional to 250,147.84, 375,227.88 and 72,656.38

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Solution

The fourth proportional to 250,147.84, 375,227.88 and 72,656.38 is: 108,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.84 : 375,227.88 = 72,656.38 : x
  2. Step 2: Convert to fraction form
    250,147.84/375,227.88 = 72,656.38/x
  3. Step 3: Cross multiply
    250,147.84x = 375,227.88 × 72,656.38
  4. Step 4: Simplify right side
    250,147.84x = 27,262,699,435.87
  5. Step 5: Solve for x
    x = 27,262,699,435.87/250,147.84
  6. Step 6: Final answer
    x = 108,986.35

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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.