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Finding the Fourth Proportional to 110,551.40, 165,827.10 and 36,679.40

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Solution

The fourth proportional to 110,551.40, 165,827.10 and 36,679.40 is: 55,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.40 : 165,827.10 = 36,679.40 : x
  2. Step 2: Convert to fraction form
    110,551.40/165,827.10 = 36,679.40/x
  3. Step 3: Cross multiply
    110,551.40x = 165,827.10 × 36,679.40
  4. Step 4: Simplify right side
    110,551.40x = 6,082,438,531.74
  5. Step 5: Solve for x
    x = 6,082,438,531.74/110,551.40
  6. Step 6: Final answer
    x = 55,019.10

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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.