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Finding the Fourth Proportional to 224,399.76, 309,669.90 and 122,423.76

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Solution

The fourth proportional to 224,399.76, 309,669.90 and 122,423.76 is: 168,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,399.76 : 309,669.90 = 122,423.76 : x
  2. Step 2: Convert to fraction form
    224,399.76/309,669.90 = 122,423.76/x
  3. Step 3: Cross multiply
    224,399.76x = 309,669.90 × 122,423.76
  4. Step 4: Simplify right side
    224,399.76x = 37,910,953,516.82
  5. Step 5: Solve for x
    x = 37,910,953,516.82/224,399.76
  6. Step 6: Final answer
    x = 168,943.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.