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Finding the Fourth Proportional to 154,062.54, 230,935.26 and 75,079.04

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Solution

The fourth proportional to 154,062.54, 230,935.26 and 75,079.04 is: 112,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,062.54 : 230,935.26 = 75,079.04 : x
  2. Step 2: Convert to fraction form
    154,062.54/230,935.26 = 75,079.04/x
  3. Step 3: Cross multiply
    154,062.54x = 230,935.26 × 75,079.04
  4. Step 4: Simplify right side
    154,062.54x = 17,338,397,622.95
  5. Step 5: Solve for x
    x = 17,338,397,622.95/154,062.54
  6. Step 6: Final answer
    x = 112,541.29

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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.