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Finding the Fourth Proportional to 110,385.50, 165,602.93 and 40,264.81

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Solution

The fourth proportional to 110,385.50, 165,602.93 and 40,264.81 is: 60,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,385.50 : 165,602.93 = 40,264.81 : x
  2. Step 2: Convert to fraction form
    110,385.50/165,602.93 = 40,264.81/x
  3. Step 3: Cross multiply
    110,385.50x = 165,602.93 × 40,264.81
  4. Step 4: Simplify right side
    110,385.50x = 6,667,970,511.89
  5. Step 5: Solve for x
    x = 6,667,970,511.89/110,385.50
  6. Step 6: Final answer
    x = 60,406.22

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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.