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Finding the Fourth Proportional to 173,165.85, 239,023.31 and 101,574.81

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Solution

The fourth proportional to 173,165.85, 239,023.31 and 101,574.81 is: 140,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165.85 : 239,023.31 = 101,574.81 : x
  2. Step 2: Convert to fraction form
    173,165.85/239,023.31 = 101,574.81/x
  3. Step 3: Cross multiply
    173,165.85x = 239,023.31 × 101,574.81
  4. Step 4: Simplify right side
    173,165.85x = 24,278,746,790.95
  5. Step 5: Solve for x
    x = 24,278,746,790.95/173,165.85
  6. Step 6: Final answer
    x = 140,205.17

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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.