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Finding the Fourth Proportional to 261,950.76, 361,334.52 and 159,929.64

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Solution

The fourth proportional to 261,950.76, 361,334.52 and 159,929.64 is: 220,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,950.76 : 361,334.52 = 159,929.64 : x
  2. Step 2: Convert to fraction form
    261,950.76/361,334.52 = 159,929.64/x
  3. Step 3: Cross multiply
    261,950.76x = 361,334.52 × 159,929.64
  4. Step 4: Simplify right side
    261,950.76x = 57,788,099,703.17
  5. Step 5: Solve for x
    x = 57,788,099,703.17/261,950.76
  6. Step 6: Final answer
    x = 220,606.73

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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.