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Finding the Fourth Proportional to 187,882.83, 259,277.76 and 102,999.96

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Solution

The fourth proportional to 187,882.83, 259,277.76 and 102,999.96 is: 142,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,882.83 : 259,277.76 = 102,999.96 : x
  2. Step 2: Convert to fraction form
    187,882.83/259,277.76 = 102,999.96/x
  3. Step 3: Cross multiply
    187,882.83x = 259,277.76 × 102,999.96
  4. Step 4: Simplify right side
    187,882.83x = 26,705,598,908.89
  5. Step 5: Solve for x
    x = 26,705,598,908.89/187,882.83
  6. Step 6: Final answer
    x = 142,139.65

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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.