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Finding the Fourth Proportional to 251,232.96, 376,752.96 and 101,421.12

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Solution

The fourth proportional to 251,232.96, 376,752.96 and 101,421.12 is: 152,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,232.96 : 376,752.96 = 101,421.12 : x
  2. Step 2: Convert to fraction form
    251,232.96/376,752.96 = 101,421.12/x
  3. Step 3: Cross multiply
    251,232.96x = 376,752.96 × 101,421.12
  4. Step 4: Simplify right side
    251,232.96x = 38,210,707,166.52
  5. Step 5: Solve for x
    x = 38,210,707,166.52/251,232.96
  6. Step 6: Final answer
    x = 152,092.73

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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.