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Finding the Fourth Proportional to 250,931.91, 376,340.46 and 149,758.56

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Solution

The fourth proportional to 250,931.91, 376,340.46 and 149,758.56 is: 224,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,931.91 : 376,340.46 = 149,758.56 : x
  2. Step 2: Convert to fraction form
    250,931.91/376,340.46 = 149,758.56/x
  3. Step 3: Cross multiply
    250,931.91x = 376,340.46 × 149,758.56
  4. Step 4: Simplify right side
    250,931.91x = 56,360,205,359.34
  5. Step 5: Solve for x
    x = 56,360,205,359.34/250,931.91
  6. Step 6: Final answer
    x = 224,603.58

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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.