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Finding the Fourth Proportional to 75,045.96, 103,584.42 and 43,227.54

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Solution

The fourth proportional to 75,045.96, 103,584.42 and 43,227.54 is: 59,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,045.96 : 103,584.42 = 43,227.54 : x
  2. Step 2: Convert to fraction form
    75,045.96/103,584.42 = 43,227.54/x
  3. Step 3: Cross multiply
    75,045.96x = 103,584.42 × 43,227.54
  4. Step 4: Simplify right side
    75,045.96x = 4,477,699,658.93
  5. Step 5: Solve for x
    x = 4,477,699,658.93/75,045.96
  6. Step 6: Final answer
    x = 59,666.10

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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.