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Finding the Fourth Proportional to 125,498.97, 173,127.78 and 83,093.04

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Solution

The fourth proportional to 125,498.97, 173,127.78 and 83,093.04 is: 114,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,498.97 : 173,127.78 = 83,093.04 : x
  2. Step 2: Convert to fraction form
    125,498.97/173,127.78 = 83,093.04/x
  3. Step 3: Cross multiply
    125,498.97x = 173,127.78 × 83,093.04
  4. Step 4: Simplify right side
    125,498.97x = 14,385,713,548.65
  5. Step 5: Solve for x
    x = 14,385,713,548.65/125,498.97
  6. Step 6: Final answer
    x = 114,628.14

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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.