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Finding the Fourth Proportional to 234,843.52, 324,081.15 and 127,412.77

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Solution

The fourth proportional to 234,843.52, 324,081.15 and 127,412.77 is: 175,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,843.52 : 324,081.15 = 127,412.77 : x
  2. Step 2: Convert to fraction form
    234,843.52/324,081.15 = 127,412.77/x
  3. Step 3: Cross multiply
    234,843.52x = 324,081.15 × 127,412.77
  4. Step 4: Simplify right side
    234,843.52x = 41,292,077,026.29
  5. Step 5: Solve for x
    x = 41,292,077,026.29/234,843.52
  6. Step 6: Final answer
    x = 175,828.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.