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Finding the Fourth Proportional to 88,092.84, 121,568.19 and 47,806.59

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Solution

The fourth proportional to 88,092.84, 121,568.19 and 47,806.59 is: 65,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,092.84 : 121,568.19 = 47,806.59 : x
  2. Step 2: Convert to fraction form
    88,092.84/121,568.19 = 47,806.59/x
  3. Step 3: Cross multiply
    88,092.84x = 121,568.19 × 47,806.59
  4. Step 4: Simplify right side
    88,092.84x = 5,811,760,616.37
  5. Step 5: Solve for x
    x = 5,811,760,616.37/88,092.84
  6. Step 6: Final answer
    x = 65,973.13

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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.