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Finding the Fourth Proportional to 250,575.06, 345,843.83 and 148,657.12

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Solution

The fourth proportional to 250,575.06, 345,843.83 and 148,657.12 is: 205,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,575.06 : 345,843.83 = 148,657.12 : x
  2. Step 2: Convert to fraction form
    250,575.06/345,843.83 = 148,657.12/x
  3. Step 3: Cross multiply
    250,575.06x = 345,843.83 × 148,657.12
  4. Step 4: Simplify right side
    250,575.06x = 51,412,146,129.67
  5. Step 5: Solve for x
    x = 51,412,146,129.67/250,575.06
  6. Step 6: Final answer
    x = 205,176.63

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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.