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Finding the Fourth Proportional to 250,453.84, 375,587.34 and 100,643.43

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Solution

The fourth proportional to 250,453.84, 375,587.34 and 100,643.43 is: 150,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,453.84 : 375,587.34 = 100,643.43 : x
  2. Step 2: Convert to fraction form
    250,453.84/375,587.34 = 100,643.43/x
  3. Step 3: Cross multiply
    250,453.84x = 375,587.34 × 100,643.43
  4. Step 4: Simplify right side
    250,453.84x = 37,800,398,162.18
  5. Step 5: Solve for x
    x = 37,800,398,162.18/250,453.84
  6. Step 6: Final answer
    x = 150,927.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.