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Finding the Fourth Proportional to 251,104.41, 376,654.53 and 101,342.40

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Solution

The fourth proportional to 251,104.41, 376,654.53 and 101,342.40 is: 152,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,104.41 : 376,654.53 = 101,342.40 : x
  2. Step 2: Convert to fraction form
    251,104.41/376,654.53 = 101,342.40/x
  3. Step 3: Cross multiply
    251,104.41x = 376,654.53 × 101,342.40
  4. Step 4: Simplify right side
    251,104.41x = 38,171,074,041.07
  5. Step 5: Solve for x
    x = 38,171,074,041.07/251,104.41
  6. Step 6: Final answer
    x = 152,012.76

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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.