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Finding the Fourth Proportional to 251,234.67, 376,925.31 and 101,398.44

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Solution

The fourth proportional to 251,234.67, 376,925.31 and 101,398.44 is: 152,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,234.67 : 376,925.31 = 101,398.44 : x
  2. Step 2: Convert to fraction form
    251,234.67/376,925.31 = 101,398.44/x
  3. Step 3: Cross multiply
    251,234.67x = 376,925.31 × 101,398.44
  4. Step 4: Simplify right side
    251,234.67x = 38,219,638,430.52
  5. Step 5: Solve for x
    x = 38,219,638,430.52/251,234.67
  6. Step 6: Final answer
    x = 152,127.25

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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.