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Finding the Fourth Proportional to 231,037.70, 346,583.55 and 73,282.10

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Solution

The fourth proportional to 231,037.70, 346,583.55 and 73,282.10 is: 109,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,037.70 : 346,583.55 = 73,282.10 : x
  2. Step 2: Convert to fraction form
    231,037.70/346,583.55 = 73,282.10/x
  3. Step 3: Cross multiply
    231,037.70x = 346,583.55 × 73,282.10
  4. Step 4: Simplify right side
    231,037.70x = 25,398,370,369.46
  5. Step 5: Solve for x
    x = 25,398,370,369.46/231,037.70
  6. Step 6: Final answer
    x = 109,931.71

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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.