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Finding the Fourth Proportional to 76,740.01, 115,118.01 and 29,355.01

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Solution

The fourth proportional to 76,740.01, 115,118.01 and 29,355.01 is: 44,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,740.01 : 115,118.01 = 29,355.01 : x
  2. Step 2: Convert to fraction form
    76,740.01/115,118.01 = 29,355.01/x
  3. Step 3: Cross multiply
    76,740.01x = 115,118.01 × 29,355.01
  4. Step 4: Simplify right side
    76,740.01x = 3,379,290,046.94
  5. Step 5: Solve for x
    x = 3,379,290,046.94/76,740.01
  6. Step 6: Final answer
    x = 44,035.57

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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.