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Finding the Fourth Proportional to 115,535.52, 173,329.20 and 36,652.32

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Solution

The fourth proportional to 115,535.52, 173,329.20 and 36,652.32 is: 54,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,535.52 : 173,329.20 = 36,652.32 : x
  2. Step 2: Convert to fraction form
    115,535.52/173,329.20 = 36,652.32/x
  3. Step 3: Cross multiply
    115,535.52x = 173,329.20 × 36,652.32
  4. Step 4: Simplify right side
    115,535.52x = 6,352,917,303.74
  5. Step 5: Solve for x
    x = 6,352,917,303.74/115,535.52
  6. Step 6: Final answer
    x = 54,986.70

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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.