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Finding the Fourth Proportional to 75,146.96, 112,722.48 and 22,556.45

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Solution

The fourth proportional to 75,146.96, 112,722.48 and 22,556.45 is: 33,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.96 : 112,722.48 = 22,556.45 : x
  2. Step 2: Convert to fraction form
    75,146.96/112,722.48 = 22,556.45/x
  3. Step 3: Cross multiply
    75,146.96x = 112,722.48 × 22,556.45
  4. Step 4: Simplify right side
    75,146.96x = 2,542,618,420.38
  5. Step 5: Solve for x
    x = 2,542,618,420.38/75,146.96
  6. Step 6: Final answer
    x = 33,835.28

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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.