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Finding the Fourth Proportional to 224,201.40, 336,228.93 and 74,401.46

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Solution

The fourth proportional to 224,201.40, 336,228.93 and 74,401.46 is: 111,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,201.40 : 336,228.93 = 74,401.46 : x
  2. Step 2: Convert to fraction form
    224,201.40/336,228.93 = 74,401.46/x
  3. Step 3: Cross multiply
    224,201.40x = 336,228.93 × 74,401.46
  4. Step 4: Simplify right side
    224,201.40x = 25,015,921,605.09
  5. Step 5: Solve for x
    x = 25,015,921,605.09/224,201.40
  6. Step 6: Final answer
    x = 111,577.90

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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.