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Finding the Fourth Proportional to 74,775.96, 112,180.14 and 22,189.14

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Solution

The fourth proportional to 74,775.96, 112,180.14 and 22,189.14 is: 33,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775.96 : 112,180.14 = 22,189.14 : x
  2. Step 2: Convert to fraction form
    74,775.96/112,180.14 = 22,189.14/x
  3. Step 3: Cross multiply
    74,775.96x = 112,180.14 × 22,189.14
  4. Step 4: Simplify right side
    74,775.96x = 2,489,180,831.68
  5. Step 5: Solve for x
    x = 2,489,180,831.68/74,775.96
  6. Step 6: Final answer
    x = 33,288.52

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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.