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Finding the Fourth Proportional to 187,757.88, 259,129.98 and 107,166.93

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Solution

The fourth proportional to 187,757.88, 259,129.98 and 107,166.93 is: 147,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,757.88 : 259,129.98 = 107,166.93 : x
  2. Step 2: Convert to fraction form
    187,757.88/259,129.98 = 107,166.93/x
  3. Step 3: Cross multiply
    187,757.88x = 259,129.98 × 107,166.93
  4. Step 4: Simplify right side
    187,757.88x = 27,770,164,427.56
  5. Step 5: Solve for x
    x = 27,770,164,427.56/187,757.88
  6. Step 6: Final answer
    x = 147,904.12

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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.