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Finding the Fourth Proportional to 110,210.73, 165,184.88 and 76,749.63

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Solution

The fourth proportional to 110,210.73, 165,184.88 and 76,749.63 is: 115,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,210.73 : 165,184.88 = 76,749.63 : x
  2. Step 2: Convert to fraction form
    110,210.73/165,184.88 = 76,749.63/x
  3. Step 3: Cross multiply
    110,210.73x = 165,184.88 × 76,749.63
  4. Step 4: Simplify right side
    110,210.73x = 12,677,878,037.85
  5. Step 5: Solve for x
    x = 12,677,878,037.85/110,210.73
  6. Step 6: Final answer
    x = 115,033.06

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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.