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Finding the Fourth Proportional to 96,393.91, 133,023.58 and 53,952.45

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Solution

The fourth proportional to 96,393.91, 133,023.58 and 53,952.45 is: 74,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,393.91 : 133,023.58 = 53,952.45 : x
  2. Step 2: Convert to fraction form
    96,393.91/133,023.58 = 53,952.45/x
  3. Step 3: Cross multiply
    96,393.91x = 133,023.58 × 53,952.45
  4. Step 4: Simplify right side
    96,393.91x = 7,176,948,048.77
  5. Step 5: Solve for x
    x = 7,176,948,048.77/96,393.91
  6. Step 6: Final answer
    x = 74,454.37

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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.