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Finding the Fourth Proportional to 96,859.52, 133,666.02 and 53,837.66

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Solution

The fourth proportional to 96,859.52, 133,666.02 and 53,837.66 is: 74,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,859.52 : 133,666.02 = 53,837.66 : x
  2. Step 2: Convert to fraction form
    96,859.52/133,666.02 = 53,837.66/x
  3. Step 3: Cross multiply
    96,859.52x = 133,666.02 × 53,837.66
  4. Step 4: Simplify right side
    96,859.52x = 7,196,265,738.31
  5. Step 5: Solve for x
    x = 7,196,265,738.31/96,859.52
  6. Step 6: Final answer
    x = 74,295.91

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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.