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Finding the Fourth Proportional to 78,859.79, 108,825.08 and 44,867.53

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Solution

The fourth proportional to 78,859.79, 108,825.08 and 44,867.53 is: 61,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,859.79 : 108,825.08 = 44,867.53 : x
  2. Step 2: Convert to fraction form
    78,859.79/108,825.08 = 44,867.53/x
  3. Step 3: Cross multiply
    78,859.79x = 108,825.08 × 44,867.53
  4. Step 4: Simplify right side
    78,859.79x = 4,882,712,541.65
  5. Step 5: Solve for x
    x = 4,882,712,541.65/78,859.79
  6. Step 6: Final answer
    x = 61,916.38

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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.