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Finding the Fourth Proportional to 234,841.52, 324,078.39 and 127,410.77

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Solution

The fourth proportional to 234,841.52, 324,078.39 and 127,410.77 is: 175,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,841.52 : 324,078.39 = 127,410.77 : x
  2. Step 2: Convert to fraction form
    234,841.52/324,078.39 = 127,410.77/x
  3. Step 3: Cross multiply
    234,841.52x = 324,078.39 × 127,410.77
  4. Step 4: Simplify right side
    234,841.52x = 41,291,077,210.26
  5. Step 5: Solve for x
    x = 41,291,077,210.26/234,841.52
  6. Step 6: Final answer
    x = 175,825.29

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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.