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Finding the Fourth Proportional to 83,210.60, 124,835.70 and 27,050.96

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Solution

The fourth proportional to 83,210.60, 124,835.70 and 27,050.96 is: 40,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,210.60 : 124,835.70 = 27,050.96 : x
  2. Step 2: Convert to fraction form
    83,210.60/124,835.70 = 27,050.96/x
  3. Step 3: Cross multiply
    83,210.60x = 124,835.70 × 27,050.96
  4. Step 4: Simplify right side
    83,210.60x = 3,376,925,527.27
  5. Step 5: Solve for x
    x = 3,376,925,527.27/83,210.60
  6. Step 6: Final answer
    x = 40,582.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.