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Finding the Fourth Proportional to 224,105.70, 336,158.55 and 81,950.70

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Solution

The fourth proportional to 224,105.70, 336,158.55 and 81,950.70 is: 122,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,105.70 : 336,158.55 = 81,950.70 : x
  2. Step 2: Convert to fraction form
    224,105.70/336,158.55 = 81,950.70/x
  3. Step 3: Cross multiply
    224,105.70x = 336,158.55 × 81,950.70
  4. Step 4: Simplify right side
    224,105.70x = 27,548,428,483.49
  5. Step 5: Solve for x
    x = 27,548,428,483.49/224,105.70
  6. Step 6: Final answer
    x = 122,926.05

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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.