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Finding the Fourth Proportional to 110,385.50, 165,602.94 and 40,264.80

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Solution

The fourth proportional to 110,385.50, 165,602.94 and 40,264.80 is: 60,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,385.50 : 165,602.94 = 40,264.80 : x
  2. Step 2: Convert to fraction form
    110,385.50/165,602.94 = 40,264.80/x
  3. Step 3: Cross multiply
    110,385.50x = 165,602.94 × 40,264.80
  4. Step 4: Simplify right side
    110,385.50x = 6,667,969,258.51
  5. Step 5: Solve for x
    x = 6,667,969,258.51/110,385.50
  6. Step 6: Final answer
    x = 60,406.21

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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.