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Finding the Fourth Proportional to 251,387.70, 376,983.06 and 93,530.04

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Solution

The fourth proportional to 251,387.70, 376,983.06 and 93,530.04 is: 140,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,387.70 : 376,983.06 = 93,530.04 : x
  2. Step 2: Convert to fraction form
    251,387.70/376,983.06 = 93,530.04/x
  3. Step 3: Cross multiply
    251,387.70x = 376,983.06 × 93,530.04
  4. Step 4: Simplify right side
    251,387.70x = 35,259,240,681.12
  5. Step 5: Solve for x
    x = 35,259,240,681.12/251,387.70
  6. Step 6: Final answer
    x = 140,258.42

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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.