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Finding the Fourth Proportional to 110,655.10, 165,763.95 and 60,645.70

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Solution

The fourth proportional to 110,655.10, 165,763.95 and 60,645.70 is: 90,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,655.10 : 165,763.95 = 60,645.70 : x
  2. Step 2: Convert to fraction form
    110,655.10/165,763.95 = 60,645.70/x
  3. Step 3: Cross multiply
    110,655.10x = 165,763.95 × 60,645.70
  4. Step 4: Simplify right side
    110,655.10x = 10,052,870,782.52
  5. Step 5: Solve for x
    x = 10,052,870,782.52/110,655.10
  6. Step 6: Final answer
    x = 90,848.69

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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.