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Finding the Fourth Proportional to 110,493.30, 165,763.95 and 40,372.50

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Solution

The fourth proportional to 110,493.30, 165,763.95 and 40,372.50 is: 60,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,493.30 : 165,763.95 = 40,372.50 : x
  2. Step 2: Convert to fraction form
    110,493.30/165,763.95 = 40,372.50/x
  3. Step 3: Cross multiply
    110,493.30x = 165,763.95 × 40,372.50
  4. Step 4: Simplify right side
    110,493.30x = 6,692,305,071.38
  5. Step 5: Solve for x
    x = 6,692,305,071.38/110,493.30
  6. Step 6: Final answer
    x = 60,567.52

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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.