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Finding the Fourth Proportional to 248,281.00, 371,892.90 and 187,641.49

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Solution

The fourth proportional to 248,281.00, 371,892.90 and 187,641.49 is: 281,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,281.00 : 371,892.90 = 187,641.49 : x
  2. Step 2: Convert to fraction form
    248,281.00/371,892.90 = 187,641.49/x
  3. Step 3: Cross multiply
    248,281.00x = 371,892.90 × 187,641.49
  4. Step 4: Simplify right side
    248,281.00x = 69,782,535,718.47
  5. Step 5: Solve for x
    x = 69,782,535,718.47/248,281.00
  6. Step 6: Final answer
    x = 281,062.73

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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.