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Finding the Fourth Proportional to 188,279.39, 282,404.81 and 61,923.76

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Solution

The fourth proportional to 188,279.39, 282,404.81 and 61,923.76 is: 92,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,279.39 : 282,404.81 = 61,923.76 : x
  2. Step 2: Convert to fraction form
    188,279.39/282,404.81 = 61,923.76/x
  3. Step 3: Cross multiply
    188,279.39x = 282,404.81 × 61,923.76
  4. Step 4: Simplify right side
    188,279.39x = 17,487,567,126.08
  5. Step 5: Solve for x
    x = 17,487,567,126.08/188,279.39
  6. Step 6: Final answer
    x = 92,880.94

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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.