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Finding the Fourth Proportional to 235,053.16, 352,604.80 and 75,073.20

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Solution

The fourth proportional to 235,053.16, 352,604.80 and 75,073.20 is: 112,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,053.16 : 352,604.80 = 75,073.20 : x
  2. Step 2: Convert to fraction form
    235,053.16/352,604.80 = 75,073.20/x
  3. Step 3: Cross multiply
    235,053.16x = 352,604.80 × 75,073.20
  4. Step 4: Simplify right side
    235,053.16x = 26,471,170,671.36
  5. Step 5: Solve for x
    x = 26,471,170,671.36/235,053.16
  6. Step 6: Final answer
    x = 112,617.80

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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.