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Finding the Fourth Proportional to 325,818.18, 488,792.52 and 112,593.87

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Solution

The fourth proportional to 325,818.18, 488,792.52 and 112,593.87 is: 168,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,818.18 : 488,792.52 = 112,593.87 : x
  2. Step 2: Convert to fraction form
    325,818.18/488,792.52 = 112,593.87/x
  3. Step 3: Cross multiply
    325,818.18x = 488,792.52 × 112,593.87
  4. Step 4: Simplify right side
    325,818.18x = 55,035,041,453.85
  5. Step 5: Solve for x
    x = 55,035,041,453.85/325,818.18
  6. Step 6: Final answer
    x = 168,913.35

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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.