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Finding the Fourth Proportional to 188,251.47, 282,314.57 and 75,902.67

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Solution

The fourth proportional to 188,251.47, 282,314.57 and 75,902.67 is: 113,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,251.47 : 282,314.57 = 75,902.67 : x
  2. Step 2: Convert to fraction form
    188,251.47/282,314.57 = 75,902.67/x
  3. Step 3: Cross multiply
    188,251.47x = 282,314.57 × 75,902.67
  4. Step 4: Simplify right side
    188,251.47x = 21,428,429,263.39
  5. Step 5: Solve for x
    x = 21,428,429,263.39/188,251.47
  6. Step 6: Final answer
    x = 113,828.75

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1.5x scale

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.