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Finding the Fourth Proportional to 96,243.34, 132,819.93 and 53,801.86

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Solution

The fourth proportional to 96,243.34, 132,819.93 and 53,801.86 is: 74,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,243.34 : 132,819.93 = 53,801.86 : x
  2. Step 2: Convert to fraction form
    96,243.34/132,819.93 = 53,801.86/x
  3. Step 3: Cross multiply
    96,243.34x = 132,819.93 × 53,801.86
  4. Step 4: Simplify right side
    96,243.34x = 7,145,959,279.07
  5. Step 5: Solve for x
    x = 7,145,959,279.07/96,243.34
  6. Step 6: Final answer
    x = 74,248.87

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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.