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Finding the Fourth Proportional to 124,273.61, 171,499.57 and 67,684.98

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Solution

The fourth proportional to 124,273.61, 171,499.57 and 67,684.98 is: 93,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,273.61 : 171,499.57 = 67,684.98 : x
  2. Step 2: Convert to fraction form
    124,273.61/171,499.57 = 67,684.98/x
  3. Step 3: Cross multiply
    124,273.61x = 171,499.57 × 67,684.98
  4. Step 4: Simplify right side
    124,273.61x = 11,607,944,796.25
  5. Step 5: Solve for x
    x = 11,607,944,796.25/124,273.61
  6. Step 6: Final answer
    x = 93,406.36

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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.