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Finding the Fourth Proportional to 139,227.52, 208,841.28 and 34,046.32

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Solution

The fourth proportional to 139,227.52, 208,841.28 and 34,046.32 is: 51,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,227.52 : 208,841.28 = 34,046.32 : x
  2. Step 2: Convert to fraction form
    139,227.52/208,841.28 = 34,046.32/x
  3. Step 3: Cross multiply
    139,227.52x = 208,841.28 × 34,046.32
  4. Step 4: Simplify right side
    139,227.52x = 7,110,277,048.09
  5. Step 5: Solve for x
    x = 7,110,277,048.09/139,227.52
  6. Step 6: Final answer
    x = 51,069.48

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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.