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Finding the Fourth Proportional to 237,880.34, 356,785.76 and 69,355.38

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Solution

The fourth proportional to 237,880.34, 356,785.76 and 69,355.38 is: 104,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,880.34 : 356,785.76 = 69,355.38 : x
  2. Step 2: Convert to fraction form
    237,880.34/356,785.76 = 69,355.38/x
  3. Step 3: Cross multiply
    237,880.34x = 356,785.76 × 69,355.38
  4. Step 4: Simplify right side
    237,880.34x = 24,745,011,963.39
  5. Step 5: Solve for x
    x = 24,745,011,963.39/237,880.34
  6. Step 6: Final answer
    x = 104,022.94

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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.