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Finding the Fourth Proportional to 172,927.24, 259,164.84 and 88,615.96

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Solution

The fourth proportional to 172,927.24, 259,164.84 and 88,615.96 is: 132,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,927.24 : 259,164.84 = 88,615.96 : x
  2. Step 2: Convert to fraction form
    172,927.24/259,164.84 = 88,615.96/x
  3. Step 3: Cross multiply
    172,927.24x = 259,164.84 × 88,615.96
  4. Step 4: Simplify right side
    172,927.24x = 22,966,141,094.85
  5. Step 5: Solve for x
    x = 22,966,141,094.85/172,927.24
  6. Step 6: Final answer
    x = 132,808.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.