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Finding the Fourth Proportional to 187,859.61, 259,494.75 and 140,029.92

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Solution

The fourth proportional to 187,859.61, 259,494.75 and 140,029.92 is: 193,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,859.61 : 259,494.75 = 140,029.92 : x
  2. Step 2: Convert to fraction form
    187,859.61/259,494.75 = 140,029.92/x
  3. Step 3: Cross multiply
    187,859.61x = 259,494.75 × 140,029.92
  4. Step 4: Simplify right side
    187,859.61x = 36,337,029,082.92
  5. Step 5: Solve for x
    x = 36,337,029,082.92/187,859.61
  6. Step 6: Final answer
    x = 193,426.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.