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Finding the Fourth Proportional to 265,949.37, 398,916.77 and 88,459.74

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Solution

The fourth proportional to 265,949.37, 398,916.77 and 88,459.74 is: 132,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,949.37 : 398,916.77 = 88,459.74 : x
  2. Step 2: Convert to fraction form
    265,949.37/398,916.77 = 88,459.74/x
  3. Step 3: Cross multiply
    265,949.37x = 398,916.77 × 88,459.74
  4. Step 4: Simplify right side
    265,949.37x = 35,288,073,313.54
  5. Step 5: Solve for x
    x = 35,288,073,313.54/265,949.37
  6. Step 6: Final answer
    x = 132,687.19

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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.