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Finding the Fourth Proportional to 83,009.60, 124,530.60 and 35,624.60

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Solution

The fourth proportional to 83,009.60, 124,530.60 and 35,624.60 is: 53,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009.60 : 124,530.60 = 35,624.60 : x
  2. Step 2: Convert to fraction form
    83,009.60/124,530.60 = 35,624.60/x
  3. Step 3: Cross multiply
    83,009.60x = 124,530.60 × 35,624.60
  4. Step 4: Simplify right side
    83,009.60x = 4,436,352,812.76
  5. Step 5: Solve for x
    x = 4,436,352,812.76/83,009.60
  6. Step 6: Final answer
    x = 53,443.85

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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.