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Finding the Fourth Proportional to 73,114.88, 100,903.20 and 41,272.16

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Solution

The fourth proportional to 73,114.88, 100,903.20 and 41,272.16 is: 56,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.88 : 100,903.20 = 41,272.16 : x
  2. Step 2: Convert to fraction form
    73,114.88/100,903.20 = 41,272.16/x
  3. Step 3: Cross multiply
    73,114.88x = 100,903.20 × 41,272.16
  4. Step 4: Simplify right side
    73,114.88x = 4,164,493,014.91
  5. Step 5: Solve for x
    x = 4,164,493,014.91/73,114.88
  6. Step 6: Final answer
    x = 56,958.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.