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Finding the Fourth Proportional to 75,333.98, 103,960.01 and 43,502.20

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Solution

The fourth proportional to 75,333.98, 103,960.01 and 43,502.20 is: 60,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,333.98 : 103,960.01 = 43,502.20 : x
  2. Step 2: Convert to fraction form
    75,333.98/103,960.01 = 43,502.20/x
  3. Step 3: Cross multiply
    75,333.98x = 103,960.01 × 43,502.20
  4. Step 4: Simplify right side
    75,333.98x = 4,522,488,995.88
  5. Step 5: Solve for x
    x = 4,522,488,995.88/75,333.98
  6. Step 6: Final answer
    x = 60,032.52

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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.