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Finding the Fourth Proportional to 224,145.36, 336,258 and 74,394.72

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Solution

The fourth proportional to 224,145.36, 336,258 and 74,394.72 is: 111,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,145.36 : 336,258 = 74,394.72 : x
  2. Step 2: Convert to fraction form
    224,145.36/336,258 = 74,394.72/x
  3. Step 3: Cross multiply
    224,145.36x = 336,258 × 74,394.72
  4. Step 4: Simplify right side
    224,145.36x = 25,015,819,757.76
  5. Step 5: Solve for x
    x = 25,015,819,757.76/224,145.36
  6. Step 6: Final answer
    x = 111,605.34

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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.