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Finding the Fourth Proportional to 173,878.76, 260,661.66 and 62,993

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Solution

The fourth proportional to 173,878.76, 260,661.66 and 62,993 is: 94,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878.76 : 260,661.66 = 62,993 : x
  2. Step 2: Convert to fraction form
    173,878.76/260,661.66 = 62,993/x
  3. Step 3: Cross multiply
    173,878.76x = 260,661.66 × 62,993
  4. Step 4: Simplify right side
    173,878.76x = 16,419,859,948.38
  5. Step 5: Solve for x
    x = 16,419,859,948.38/173,878.76
  6. Step 6: Final answer
    x = 94,432.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.