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Finding the Fourth Proportional to 182,319.44, 273,508.32 and 77,139.32

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Solution

The fourth proportional to 182,319.44, 273,508.32 and 77,139.32 is: 115,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,319.44 : 273,508.32 = 77,139.32 : x
  2. Step 2: Convert to fraction form
    182,319.44/273,508.32 = 77,139.32/x
  3. Step 3: Cross multiply
    182,319.44x = 273,508.32 × 77,139.32
  4. Step 4: Simplify right side
    182,319.44x = 21,098,245,819.14
  5. Step 5: Solve for x
    x = 21,098,245,819.14/182,319.44
  6. Step 6: Final answer
    x = 115,721.32

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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.