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Finding the Fourth Proportional to 83,339.71, 115,007.92 and 45,098.39

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Solution

The fourth proportional to 83,339.71, 115,007.92 and 45,098.39 is: 62,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,339.71 : 115,007.92 = 45,098.39 : x
  2. Step 2: Convert to fraction form
    83,339.71/115,007.92 = 45,098.39/x
  3. Step 3: Cross multiply
    83,339.71x = 115,007.92 × 45,098.39
  4. Step 4: Simplify right side
    83,339.71x = 5,186,672,204.02
  5. Step 5: Solve for x
    x = 5,186,672,204.02/83,339.71
  6. Step 6: Final answer
    x = 62,235.31

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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.