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Finding the Fourth Proportional to 187,164.95, 258,257.77 and 106,593.98

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Solution

The fourth proportional to 187,164.95, 258,257.77 and 106,593.98 is: 147,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,164.95 : 258,257.77 = 106,593.98 : x
  2. Step 2: Convert to fraction form
    187,164.95/258,257.77 = 106,593.98/x
  3. Step 3: Cross multiply
    187,164.95x = 258,257.77 × 106,593.98
  4. Step 4: Simplify right side
    187,164.95x = 27,528,722,012.45
  5. Step 5: Solve for x
    x = 27,528,722,012.45/187,164.95
  6. Step 6: Final answer
    x = 147,082.68

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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.