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Finding the Fourth Proportional to 240,083.52, 360,203.04 and 115,408.32

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Solution

The fourth proportional to 240,083.52, 360,203.04 and 115,408.32 is: 173,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,083.52 : 360,203.04 = 115,408.32 : x
  2. Step 2: Convert to fraction form
    240,083.52/360,203.04 = 115,408.32/x
  3. Step 3: Cross multiply
    240,083.52x = 360,203.04 × 115,408.32
  4. Step 4: Simplify right side
    240,083.52x = 41,570,427,705.29
  5. Step 5: Solve for x
    x = 41,570,427,705.29/240,083.52
  6. Step 6: Final answer
    x = 173,149.86

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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.