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Finding the Fourth Proportional to 73,603.60, 110,421.69 and 26,856.34

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Solution

The fourth proportional to 73,603.60, 110,421.69 and 26,856.34 is: 40,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,603.60 : 110,421.69 = 26,856.34 : x
  2. Step 2: Convert to fraction form
    73,603.60/110,421.69 = 26,856.34/x
  3. Step 3: Cross multiply
    73,603.60x = 110,421.69 × 26,856.34
  4. Step 4: Simplify right side
    73,603.60x = 2,965,522,450.01
  5. Step 5: Solve for x
    x = 2,965,522,450.01/73,603.60
  6. Step 6: Final answer
    x = 40,290.45

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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.