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Finding the Fourth Proportional to 125,234.88, 172,689.12 and 95,075.52

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Solution

The fourth proportional to 125,234.88, 172,689.12 and 95,075.52 is: 131,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,234.88 : 172,689.12 = 95,075.52 : x
  2. Step 2: Convert to fraction form
    125,234.88/172,689.12 = 95,075.52/x
  3. Step 3: Cross multiply
    125,234.88x = 172,689.12 × 95,075.52
  4. Step 4: Simplify right side
    125,234.88x = 16,418,507,882.34
  5. Step 5: Solve for x
    x = 16,418,507,882.34/125,234.88
  6. Step 6: Final answer
    x = 131,101.72

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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.