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Finding the Fourth Proportional to 250,101.91, 345,149.06 and 136,927.03

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Solution

The fourth proportional to 250,101.91, 345,149.06 and 136,927.03 is: 188,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,101.91 : 345,149.06 = 136,927.03 : x
  2. Step 2: Convert to fraction form
    250,101.91/345,149.06 = 136,927.03/x
  3. Step 3: Cross multiply
    250,101.91x = 345,149.06 × 136,927.03
  4. Step 4: Simplify right side
    250,101.91x = 47,260,235,693.09
  5. Step 5: Solve for x
    x = 47,260,235,693.09/250,101.91
  6. Step 6: Final answer
    x = 188,963.91

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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.