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Finding the Fourth Proportional to 92,850.66, 139,240.44 and 39,509.28

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Solution

The fourth proportional to 92,850.66, 139,240.44 and 39,509.28 is: 59,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.66 : 139,240.44 = 39,509.28 : x
  2. Step 2: Convert to fraction form
    92,850.66/139,240.44 = 39,509.28/x
  3. Step 3: Cross multiply
    92,850.66x = 139,240.44 × 39,509.28
  4. Step 4: Simplify right side
    92,850.66x = 5,501,289,531.28
  5. Step 5: Solve for x
    x = 5,501,289,531.28/92,850.66
  6. Step 6: Final answer
    x = 59,248.79

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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.