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Finding the Fourth Proportional to 110,340.72, 165,511.08 and 65,980.26

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Solution

The fourth proportional to 110,340.72, 165,511.08 and 65,980.26 is: 98,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,340.72 : 165,511.08 = 65,980.26 : x
  2. Step 2: Convert to fraction form
    110,340.72/165,511.08 = 65,980.26/x
  3. Step 3: Cross multiply
    110,340.72x = 165,511.08 × 65,980.26
  4. Step 4: Simplify right side
    110,340.72x = 10,920,464,091.28
  5. Step 5: Solve for x
    x = 10,920,464,091.28/110,340.72
  6. Step 6: Final answer
    x = 98,970.39

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Similar ratio
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1.5x scale

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.