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Finding the Fourth Proportional to 110,484.08, 165,745.60 and 40,461.20

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Solution

The fourth proportional to 110,484.08, 165,745.60 and 40,461.20 is: 60,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,484.08 : 165,745.60 = 40,461.20 : x
  2. Step 2: Convert to fraction form
    110,484.08/165,745.60 = 40,461.20/x
  3. Step 3: Cross multiply
    110,484.08x = 165,745.60 × 40,461.20
  4. Step 4: Simplify right side
    110,484.08x = 6,706,265,870.72
  5. Step 5: Solve for x
    x = 6,706,265,870.72/110,484.08
  6. Step 6: Final answer
    x = 60,698.93

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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.