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Finding the Fourth Proportional to 224,311.36, 336,368.56 and 83,971.56

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Solution

The fourth proportional to 224,311.36, 336,368.56 and 83,971.56 is: 125,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,311.36 : 336,368.56 = 83,971.56 : x
  2. Step 2: Convert to fraction form
    224,311.36/336,368.56 = 83,971.56/x
  3. Step 3: Cross multiply
    224,311.36x = 336,368.56 × 83,971.56
  4. Step 4: Simplify right side
    224,311.36x = 28,245,392,718.15
  5. Step 5: Solve for x
    x = 28,245,392,718.15/224,311.36
  6. Step 6: Final answer
    x = 125,920.47

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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.