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Finding the Fourth Proportional to 125,522.86, 173,224.56 and 68,935.45

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Solution

The fourth proportional to 125,522.86, 173,224.56 and 68,935.45 is: 95,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.86 : 173,224.56 = 68,935.45 : x
  2. Step 2: Convert to fraction form
    125,522.86/173,224.56 = 68,935.45/x
  3. Step 3: Cross multiply
    125,522.86x = 173,224.56 × 68,935.45
  4. Step 4: Simplify right side
    125,522.86x = 11,941,312,994.65
  5. Step 5: Solve for x
    x = 11,941,312,994.65/125,522.86
  6. Step 6: Final answer
    x = 95,132.58

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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.