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Finding the Fourth Proportional to 88,098.93, 121,581.41 and 49,860.45

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Solution

The fourth proportional to 88,098.93, 121,581.41 and 49,860.45 is: 68,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.93 : 121,581.41 = 49,860.45 : x
  2. Step 2: Convert to fraction form
    88,098.93/121,581.41 = 49,860.45/x
  3. Step 3: Cross multiply
    88,098.93x = 121,581.41 × 49,860.45
  4. Step 4: Simplify right side
    88,098.93x = 6,062,103,564.93
  5. Step 5: Solve for x
    x = 6,062,103,564.93/88,098.93
  6. Step 6: Final answer
    x = 68,810.18

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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.