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Finding the Fourth Proportional to 252,775.72, 348,832.88 and 143,874.74

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Solution

The fourth proportional to 252,775.72, 348,832.88 and 143,874.74 is: 198,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,775.72 : 348,832.88 = 143,874.74 : x
  2. Step 2: Convert to fraction form
    252,775.72/348,832.88 = 143,874.74/x
  3. Step 3: Cross multiply
    252,775.72x = 348,832.88 × 143,874.74
  4. Step 4: Simplify right side
    252,775.72x = 50,188,240,605.69
  5. Step 5: Solve for x
    x = 50,188,240,605.69/252,775.72
  6. Step 6: Final answer
    x = 198,548.50

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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.