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Finding the Fourth Proportional to 178,843.80, 246,825.90 and 107,263.20

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Solution

The fourth proportional to 178,843.80, 246,825.90 and 107,263.20 is: 148,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,843.80 : 246,825.90 = 107,263.20 : x
  2. Step 2: Convert to fraction form
    178,843.80/246,825.90 = 107,263.20/x
  3. Step 3: Cross multiply
    178,843.80x = 246,825.90 × 107,263.20
  4. Step 4: Simplify right side
    178,843.80x = 26,475,335,876.88
  5. Step 5: Solve for x
    x = 26,475,335,876.88/178,843.80
  6. Step 6: Final answer
    x = 148,036.08

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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.