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Finding the Fourth Proportional to 100,659.34, 150,902.61 and 56,249.74

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Solution

The fourth proportional to 100,659.34, 150,902.61 and 56,249.74 is: 84,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.34 : 150,902.61 = 56,249.74 : x
  2. Step 2: Convert to fraction form
    100,659.34/150,902.61 = 56,249.74/x
  3. Step 3: Cross multiply
    100,659.34x = 150,902.61 × 56,249.74
  4. Step 4: Simplify right side
    100,659.34x = 8,488,232,577.82
  5. Step 5: Solve for x
    x = 8,488,232,577.82/100,659.34
  6. Step 6: Final answer
    x = 84,326.33

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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.