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Finding the Fourth Proportional to 110,380.68, 165,595.44 and 40,259.76

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Solution

The fourth proportional to 110,380.68, 165,595.44 and 40,259.76 is: 60,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,380.68 : 165,595.44 = 40,259.76 : x
  2. Step 2: Convert to fraction form
    110,380.68/165,595.44 = 40,259.76/x
  3. Step 3: Cross multiply
    110,380.68x = 165,595.44 × 40,259.76
  4. Step 4: Simplify right side
    110,380.68x = 6,666,832,671.49
  5. Step 5: Solve for x
    x = 6,666,832,671.49/110,380.68
  6. Step 6: Final answer
    x = 60,398.55

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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.