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Finding the Fourth Proportional to 110,346, 165,519.42 and 27,240

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Solution

The fourth proportional to 110,346, 165,519.42 and 27,240 is: 40,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,346 : 165,519.42 = 27,240 : x
  2. Step 2: Convert to fraction form
    110,346/165,519.42 = 27,240/x
  3. Step 3: Cross multiply
    110,346x = 165,519.42 × 27,240
  4. Step 4: Simplify right side
    110,346x = 4,508,749,000.80
  5. Step 5: Solve for x
    x = 4,508,749,000.80/110,346
  6. Step 6: Final answer
    x = 40,860.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.