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Finding the Fourth Proportional to 250,671.05, 376,029.14 and 70,758.41

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Solution

The fourth proportional to 250,671.05, 376,029.14 and 70,758.41 is: 106,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,671.05 : 376,029.14 = 70,758.41 : x
  2. Step 2: Convert to fraction form
    250,671.05/376,029.14 = 70,758.41/x
  3. Step 3: Cross multiply
    250,671.05x = 376,029.14 × 70,758.41
  4. Step 4: Simplify right side
    250,671.05x = 26,607,223,941.29
  5. Step 5: Solve for x
    x = 26,607,223,941.29/250,671.05
  6. Step 6: Final answer
    x = 106,143.98

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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.