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Finding the Fourth Proportional to 69,988.88, 96,569.88 and 41,703.68

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Solution

The fourth proportional to 69,988.88, 96,569.88 and 41,703.68 is: 57,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988.88 : 96,569.88 = 41,703.68 : x
  2. Step 2: Convert to fraction form
    69,988.88/96,569.88 = 41,703.68/x
  3. Step 3: Cross multiply
    69,988.88x = 96,569.88 × 41,703.68
  4. Step 4: Simplify right side
    69,988.88x = 4,027,319,373.16
  5. Step 5: Solve for x
    x = 4,027,319,373.16/69,988.88
  6. Step 6: Final answer
    x = 57,542.27

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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.