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Finding the Fourth Proportional to 187,793.67, 281,700.76 and 47,553.51

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Solution

The fourth proportional to 187,793.67, 281,700.76 and 47,553.51 is: 71,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,793.67 : 281,700.76 = 47,553.51 : x
  2. Step 2: Convert to fraction form
    187,793.67/281,700.76 = 47,553.51/x
  3. Step 3: Cross multiply
    187,793.67x = 281,700.76 × 47,553.51
  4. Step 4: Simplify right side
    187,793.67x = 13,395,859,907.67
  5. Step 5: Solve for x
    x = 13,395,859,907.67/187,793.67
  6. Step 6: Final answer
    x = 71,332.86

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1.5x scale

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.