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Finding the Fourth Proportional to 125,601, 173,329.68 and 68,240.52

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Solution

The fourth proportional to 125,601, 173,329.68 and 68,240.52 is: 94,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,601 : 173,329.68 = 68,240.52 : x
  2. Step 2: Convert to fraction form
    125,601/173,329.68 = 68,240.52/x
  3. Step 3: Cross multiply
    125,601x = 173,329.68 × 68,240.52
  4. Step 4: Simplify right side
    125,601x = 11,828,107,494.63
  5. Step 5: Solve for x
    x = 11,828,107,494.63/125,601
  6. Step 6: Final answer
    x = 94,172.08

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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.