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Finding the Fourth Proportional to 180,486.96, 248,963.04 and 115,934.48

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Solution

The fourth proportional to 180,486.96, 248,963.04 and 115,934.48 is: 159,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,486.96 : 248,963.04 = 115,934.48 : x
  2. Step 2: Convert to fraction form
    180,486.96/248,963.04 = 115,934.48/x
  3. Step 3: Cross multiply
    180,486.96x = 248,963.04 × 115,934.48
  4. Step 4: Simplify right side
    180,486.96x = 28,863,400,581.62
  5. Step 5: Solve for x
    x = 28,863,400,581.62/180,486.96
  6. Step 6: Final answer
    x = 159,919.59

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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.