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Finding the Fourth Proportional to 265,679.67, 398,524.98 and 107,800.14

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Solution

The fourth proportional to 265,679.67, 398,524.98 and 107,800.14 is: 161,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,679.67 : 398,524.98 = 107,800.14 : x
  2. Step 2: Convert to fraction form
    265,679.67/398,524.98 = 107,800.14/x
  3. Step 3: Cross multiply
    265,679.67x = 398,524.98 × 107,800.14
  4. Step 4: Simplify right side
    265,679.67x = 42,961,048,637.50
  5. Step 5: Solve for x
    x = 42,961,048,637.50/265,679.67
  6. Step 6: Final answer
    x = 161,702.43

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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.