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Finding the Fourth Proportional to 250,292.90, 375,436.10 and 60,754.79

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Solution

The fourth proportional to 250,292.90, 375,436.10 and 60,754.79 is: 91,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,292.90 : 375,436.10 = 60,754.79 : x
  2. Step 2: Convert to fraction form
    250,292.90/375,436.10 = 60,754.79/x
  3. Step 3: Cross multiply
    250,292.90x = 375,436.10 × 60,754.79
  4. Step 4: Simplify right side
    250,292.90x = 22,809,542,504.40
  5. Step 5: Solve for x
    x = 22,809,542,504.40/250,292.90
  6. Step 6: Final answer
    x = 91,131.40

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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.