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Finding the Fourth Proportional to 120,095.52, 180,079.56 and 60,058.32

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Solution

The fourth proportional to 120,095.52, 180,079.56 and 60,058.32 is: 90,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,095.52 : 180,079.56 = 60,058.32 : x
  2. Step 2: Convert to fraction form
    120,095.52/180,079.56 = 60,058.32/x
  3. Step 3: Cross multiply
    120,095.52x = 180,079.56 × 60,058.32
  4. Step 4: Simplify right side
    120,095.52x = 10,815,275,839.94
  5. Step 5: Solve for x
    x = 10,815,275,839.94/120,095.52
  6. Step 6: Final answer
    x = 90,055.61

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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.