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Finding the Fourth Proportional to 73,656.81, 110,267.23 and 45,486.30

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Solution

The fourth proportional to 73,656.81, 110,267.23 and 45,486.30 is: 68,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,656.81 : 110,267.23 = 45,486.30 : x
  2. Step 2: Convert to fraction form
    73,656.81/110,267.23 = 45,486.30/x
  3. Step 3: Cross multiply
    73,656.81x = 110,267.23 × 45,486.30
  4. Step 4: Simplify right side
    73,656.81x = 5,015,648,303.95
  5. Step 5: Solve for x
    x = 5,015,648,303.95/73,656.81
  6. Step 6: Final answer
    x = 68,094.83

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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.