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Finding the Fourth Proportional to 124,497.36, 171,805.26 and 67,907.52

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Solution

The fourth proportional to 124,497.36, 171,805.26 and 67,907.52 is: 93,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497.36 : 171,805.26 = 67,907.52 : x
  2. Step 2: Convert to fraction form
    124,497.36/171,805.26 = 67,907.52/x
  3. Step 3: Cross multiply
    124,497.36x = 171,805.26 × 67,907.52
  4. Step 4: Simplify right side
    124,497.36x = 11,666,869,129.56
  5. Step 5: Solve for x
    x = 11,666,869,129.56/124,497.36
  6. Step 6: Final answer
    x = 93,711.78

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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.