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Finding the Fourth Proportional to 265,550.59, 398,491.85 and 107,779.04

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Solution

The fourth proportional to 265,550.59, 398,491.85 and 107,779.04 is: 161,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,550.59 : 398,491.85 = 107,779.04 : x
  2. Step 2: Convert to fraction form
    265,550.59/398,491.85 = 107,779.04/x
  3. Step 3: Cross multiply
    265,550.59x = 398,491.85 × 107,779.04
  4. Step 4: Simplify right side
    265,550.59x = 42,949,069,040.82
  5. Step 5: Solve for x
    x = 42,949,069,040.82/265,550.59
  6. Step 6: Final answer
    x = 161,735.92

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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.