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Finding the Fourth Proportional to 250,679.83, 345,882.19 and 148,653.45

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Solution

The fourth proportional to 250,679.83, 345,882.19 and 148,653.45 is: 205,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,679.83 : 345,882.19 = 148,653.45 : x
  2. Step 2: Convert to fraction form
    250,679.83/345,882.19 = 148,653.45/x
  3. Step 3: Cross multiply
    250,679.83x = 345,882.19 × 148,653.45
  4. Step 4: Simplify right side
    250,679.83x = 51,416,580,837.06
  5. Step 5: Solve for x
    x = 51,416,580,837.06/250,679.83
  6. Step 6: Final answer
    x = 205,108.57

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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.