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Finding the Fourth Proportional to 100,773.77, 151,017.57 and 47,445.59

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Solution

The fourth proportional to 100,773.77, 151,017.57 and 47,445.59 is: 71,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,773.77 : 151,017.57 = 47,445.59 : x
  2. Step 2: Convert to fraction form
    100,773.77/151,017.57 = 47,445.59/x
  3. Step 3: Cross multiply
    100,773.77x = 151,017.57 × 47,445.59
  4. Step 4: Simplify right side
    100,773.77x = 7,165,118,086.56
  5. Step 5: Solve for x
    x = 7,165,118,086.56/100,773.77
  6. Step 6: Final answer
    x = 71,101.03

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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.