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Finding the Fourth Proportional to 173,959.86, 260,716.76 and 151,376.66

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Solution

The fourth proportional to 173,959.86, 260,716.76 and 151,376.66 is: 226,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,959.86 : 260,716.76 = 151,376.66 : x
  2. Step 2: Convert to fraction form
    173,959.86/260,716.76 = 151,376.66/x
  3. Step 3: Cross multiply
    173,959.86x = 260,716.76 × 151,376.66
  4. Step 4: Simplify right side
    173,959.86x = 39,466,432,334.82
  5. Step 5: Solve for x
    x = 39,466,432,334.82/173,959.86
  6. Step 6: Final answer
    x = 226,870.91

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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.