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Finding the Fourth Proportional to 250,515.77, 345,697.11 and 148,551.03

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Solution

The fourth proportional to 250,515.77, 345,697.11 and 148,551.03 is: 204,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,515.77 : 345,697.11 = 148,551.03 : x
  2. Step 2: Convert to fraction form
    250,515.77/345,697.11 = 148,551.03/x
  3. Step 3: Cross multiply
    250,515.77x = 345,697.11 × 148,551.03
  4. Step 4: Simplify right side
    250,515.77x = 51,353,661,758.52
  5. Step 5: Solve for x
    x = 51,353,661,758.52/250,515.77
  6. Step 6: Final answer
    x = 204,991.74

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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.