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Finding the Fourth Proportional to 69,335.92, 104,003.34 and 36,038.80

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Solution

The fourth proportional to 69,335.92, 104,003.34 and 36,038.80 is: 54,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,335.92 : 104,003.34 = 36,038.80 : x
  2. Step 2: Convert to fraction form
    69,335.92/104,003.34 = 36,038.80/x
  3. Step 3: Cross multiply
    69,335.92x = 104,003.34 × 36,038.80
  4. Step 4: Simplify right side
    69,335.92x = 3,748,155,569.59
  5. Step 5: Solve for x
    x = 3,748,155,569.59/69,335.92
  6. Step 6: Final answer
    x = 54,057.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.