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Finding the Fourth Proportional to 124,167.93, 171,352.50 and 67,579.89

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Solution

The fourth proportional to 124,167.93, 171,352.50 and 67,579.89 is: 93,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,167.93 : 171,352.50 = 67,579.89 : x
  2. Step 2: Convert to fraction form
    124,167.93/171,352.50 = 67,579.89/x
  3. Step 3: Cross multiply
    124,167.93x = 171,352.50 × 67,579.89
  4. Step 4: Simplify right side
    124,167.93x = 11,579,983,101.23
  5. Step 5: Solve for x
    x = 11,579,983,101.23/124,167.93
  6. Step 6: Final answer
    x = 93,260.66

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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.