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Finding the Fourth Proportional to 83,359.44, 115,037.64 and 45,632.88

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Solution

The fourth proportional to 83,359.44, 115,037.64 and 45,632.88 is: 62,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,359.44 : 115,037.64 = 45,632.88 : x
  2. Step 2: Convert to fraction form
    83,359.44/115,037.64 = 45,632.88/x
  3. Step 3: Cross multiply
    83,359.44x = 115,037.64 × 45,632.88
  4. Step 4: Simplify right side
    83,359.44x = 5,249,498,821.60
  5. Step 5: Solve for x
    x = 5,249,498,821.60/83,359.44
  6. Step 6: Final answer
    x = 62,974.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.