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Finding the Fourth Proportional to 84,682.65, 116,877.29 and 48,867.69

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Solution

The fourth proportional to 84,682.65, 116,877.29 and 48,867.69 is: 67,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,682.65 : 116,877.29 = 48,867.69 : x
  2. Step 2: Convert to fraction form
    84,682.65/116,877.29 = 48,867.69/x
  3. Step 3: Cross multiply
    84,682.65x = 116,877.29 × 48,867.69
  4. Step 4: Simplify right side
    84,682.65x = 5,711,522,931.42
  5. Step 5: Solve for x
    x = 5,711,522,931.42/84,682.65
  6. Step 6: Final answer
    x = 67,446.20

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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.