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Finding the Fourth Proportional to 89,837, 124,023.66 and 54,035

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Solution

The fourth proportional to 89,837, 124,023.66 and 54,035 is: 74,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837 : 124,023.66 = 54,035 : x
  2. Step 2: Convert to fraction form
    89,837/124,023.66 = 54,035/x
  3. Step 3: Cross multiply
    89,837x = 124,023.66 × 54,035
  4. Step 4: Simplify right side
    89,837x = 6,701,618,468.10
  5. Step 5: Solve for x
    x = 6,701,618,468.10/89,837
  6. Step 6: Final answer
    x = 74,597.53

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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.