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Finding the Fourth Proportional to 73,423, 110,134.14 and 20,832.58

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Solution

The fourth proportional to 73,423, 110,134.14 and 20,832.58 is: 31,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,423 : 110,134.14 = 20,832.58 : x
  2. Step 2: Convert to fraction form
    73,423/110,134.14 = 20,832.58/x
  3. Step 3: Cross multiply
    73,423x = 110,134.14 × 20,832.58
  4. Step 4: Simplify right side
    73,423x = 2,294,378,282.28
  5. Step 5: Solve for x
    x = 2,294,378,282.28/73,423
  6. Step 6: Final answer
    x = 31,248.77

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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.