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Finding the Fourth Proportional to 82,592.80, 113,978.20 and 44,867.08

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Solution

The fourth proportional to 82,592.80, 113,978.20 and 44,867.08 is: 61,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,592.80 : 113,978.20 = 44,867.08 : x
  2. Step 2: Convert to fraction form
    82,592.80/113,978.20 = 44,867.08/x
  3. Step 3: Cross multiply
    82,592.80x = 113,978.20 × 44,867.08
  4. Step 4: Simplify right side
    82,592.80x = 5,113,869,017.66
  5. Step 5: Solve for x
    x = 5,113,869,017.66/82,592.80
  6. Step 6: Final answer
    x = 61,916.64

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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.