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Finding the Fourth Proportional to 73,899, 110,848.02 and 18,495

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Solution

The fourth proportional to 73,899, 110,848.02 and 18,495 is: 27,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,899 : 110,848.02 = 18,495 : x
  2. Step 2: Convert to fraction form
    73,899/110,848.02 = 18,495/x
  3. Step 3: Cross multiply
    73,899x = 110,848.02 × 18,495
  4. Step 4: Simplify right side
    73,899x = 2,050,134,129.90
  5. Step 5: Solve for x
    x = 2,050,134,129.90/73,899
  6. Step 6: Final answer
    x = 27,742.38

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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.