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Finding the Fourth Proportional to 224,063.70, 336,087.45 and 90,940.20

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Solution

The fourth proportional to 224,063.70, 336,087.45 and 90,940.20 is: 136,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,063.70 : 336,087.45 = 90,940.20 : x
  2. Step 2: Convert to fraction form
    224,063.70/336,087.45 = 90,940.20/x
  3. Step 3: Cross multiply
    224,063.70x = 336,087.45 × 90,940.20
  4. Step 4: Simplify right side
    224,063.70x = 30,563,859,920.49
  5. Step 5: Solve for x
    x = 30,563,859,920.49/224,063.70
  6. Step 6: Final answer
    x = 136,407.01

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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.