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Finding the Fourth Proportional to 172,695.14, 259,057.28 and 48,036.14

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Solution

The fourth proportional to 172,695.14, 259,057.28 and 48,036.14 is: 72,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,695.14 : 259,057.28 = 48,036.14 : x
  2. Step 2: Convert to fraction form
    172,695.14/259,057.28 = 48,036.14/x
  3. Step 3: Cross multiply
    172,695.14x = 259,057.28 × 48,036.14
  4. Step 4: Simplify right side
    172,695.14x = 12,444,111,770.10
  5. Step 5: Solve for x
    x = 12,444,111,770.10/172,695.14
  6. Step 6: Final answer
    x = 72,058.26

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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.