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Finding the Fourth Proportional to 250,300.57, 375,447.43 and 60,762.39

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Solution

The fourth proportional to 250,300.57, 375,447.43 and 60,762.39 is: 91,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,300.57 : 375,447.43 = 60,762.39 : x
  2. Step 2: Convert to fraction form
    250,300.57/375,447.43 = 60,762.39/x
  3. Step 3: Cross multiply
    250,300.57x = 375,447.43 × 60,762.39
  4. Step 4: Simplify right side
    250,300.57x = 22,813,083,166.16
  5. Step 5: Solve for x
    x = 22,813,083,166.16/250,300.57
  6. Step 6: Final answer
    x = 91,142.75

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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.