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Finding the Fourth Proportional to 92,282.88, 138,444.80 and 43,008

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Solution

The fourth proportional to 92,282.88, 138,444.80 and 43,008 is: 64,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,282.88 : 138,444.80 = 43,008 : x
  2. Step 2: Convert to fraction form
    92,282.88/138,444.80 = 43,008/x
  3. Step 3: Cross multiply
    92,282.88x = 138,444.80 × 43,008
  4. Step 4: Simplify right side
    92,282.88x = 5,954,233,958.40
  5. Step 5: Solve for x
    x = 5,954,233,958.40/92,282.88
  6. Step 6: Final answer
    x = 64,521.54

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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.