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Finding the Fourth Proportional to 104,765.61, 157,153.60 and 29,896.78

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Solution

The fourth proportional to 104,765.61, 157,153.60 and 29,896.78 is: 44,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,765.61 : 157,153.60 = 29,896.78 : x
  2. Step 2: Convert to fraction form
    104,765.61/157,153.60 = 29,896.78/x
  3. Step 3: Cross multiply
    104,765.61x = 157,153.60 × 29,896.78
  4. Step 4: Simplify right side
    104,765.61x = 4,698,386,605.41
  5. Step 5: Solve for x
    x = 4,698,386,605.41/104,765.61
  6. Step 6: Final answer
    x = 44,846.65

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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.