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Finding the Fourth Proportional to 78,924.74, 108,833.30 and 52,032.84

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Solution

The fourth proportional to 78,924.74, 108,833.30 and 52,032.84 is: 71,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,924.74 : 108,833.30 = 52,032.84 : x
  2. Step 2: Convert to fraction form
    78,924.74/108,833.30 = 52,032.84/x
  3. Step 3: Cross multiply
    78,924.74x = 108,833.30 × 52,032.84
  4. Step 4: Simplify right side
    78,924.74x = 5,662,905,685.57
  5. Step 5: Solve for x
    x = 5,662,905,685.57/78,924.74
  6. Step 6: Final answer
    x = 71,750.70

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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.