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Finding the Fourth Proportional to 173,130.65, 259,787.39 and 122,854.52

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Solution

The fourth proportional to 173,130.65, 259,787.39 and 122,854.52 is: 184,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,130.65 : 259,787.39 = 122,854.52 : x
  2. Step 2: Convert to fraction form
    173,130.65/259,787.39 = 122,854.52/x
  3. Step 3: Cross multiply
    173,130.65x = 259,787.39 × 122,854.52
  4. Step 4: Simplify right side
    173,130.65x = 31,916,055,135.70
  5. Step 5: Solve for x
    x = 31,916,055,135.70/173,130.65
  6. Step 6: Final answer
    x = 184,346.65

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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.