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Finding the Fourth Proportional to 187,642.17, 258,944.24 and 101,599.67

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Solution

The fourth proportional to 187,642.17, 258,944.24 and 101,599.67 is: 140,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,642.17 : 258,944.24 = 101,599.67 : x
  2. Step 2: Convert to fraction form
    187,642.17/258,944.24 = 101,599.67/x
  3. Step 3: Cross multiply
    187,642.17x = 258,944.24 × 101,599.67
  4. Step 4: Simplify right side
    187,642.17x = 26,308,647,529.68
  5. Step 5: Solve for x
    x = 26,308,647,529.68/187,642.17
  6. Step 6: Final answer
    x = 140,206.48

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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.