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Finding the Fourth Proportional to 124,185.69, 171,375.08 and 67,596.93

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Solution

The fourth proportional to 124,185.69, 171,375.08 and 67,596.93 is: 93,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,185.69 : 171,375.08 = 67,596.93 : x
  2. Step 2: Convert to fraction form
    124,185.69/171,375.08 = 67,596.93/x
  3. Step 3: Cross multiply
    124,185.69x = 171,375.08 × 67,596.93
  4. Step 4: Simplify right side
    124,185.69x = 11,584,428,948.52
  5. Step 5: Solve for x
    x = 11,584,428,948.52/124,185.69
  6. Step 6: Final answer
    x = 93,283.12

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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.