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Finding the Fourth Proportional to 107,937.77, 161,894.03 and 29,045.79

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Solution

The fourth proportional to 107,937.77, 161,894.03 and 29,045.79 is: 43,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,937.77 : 161,894.03 = 29,045.79 : x
  2. Step 2: Convert to fraction form
    107,937.77/161,894.03 = 29,045.79/x
  3. Step 3: Cross multiply
    107,937.77x = 161,894.03 × 29,045.79
  4. Step 4: Simplify right side
    107,937.77x = 4,702,339,852.40
  5. Step 5: Solve for x
    x = 4,702,339,852.40/107,937.77
  6. Step 6: Final answer
    x = 43,565.29

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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.