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Finding the Fourth Proportional to 323,870.58, 485,792.10 and 110,657.61

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Solution

The fourth proportional to 323,870.58, 485,792.10 and 110,657.61 is: 165,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,870.58 : 485,792.10 = 110,657.61 : x
  2. Step 2: Convert to fraction form
    323,870.58/485,792.10 = 110,657.61/x
  3. Step 3: Cross multiply
    323,870.58x = 485,792.10 × 110,657.61
  4. Step 4: Simplify right side
    323,870.58x = 53,756,592,742.88
  5. Step 5: Solve for x
    x = 53,756,592,742.88/323,870.58
  6. Step 6: Final answer
    x = 165,981.71

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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.