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Finding the Fourth Proportional to 74,101.20, 111,152.07 and 17,941.22

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Solution

The fourth proportional to 74,101.20, 111,152.07 and 17,941.22 is: 26,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,101.20 : 111,152.07 = 17,941.22 : x
  2. Step 2: Convert to fraction form
    74,101.20/111,152.07 = 17,941.22/x
  3. Step 3: Cross multiply
    74,101.20x = 111,152.07 × 17,941.22
  4. Step 4: Simplify right side
    74,101.20x = 1,994,203,965.46
  5. Step 5: Solve for x
    x = 1,994,203,965.46/74,101.20
  6. Step 6: Final answer
    x = 26,911.90

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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.