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Finding the Fourth Proportional to 79,699.46, 119,253.89 and 58,655.04

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Solution

The fourth proportional to 79,699.46, 119,253.89 and 58,655.04 is: 87,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,699.46 : 119,253.89 = 58,655.04 : x
  2. Step 2: Convert to fraction form
    79,699.46/119,253.89 = 58,655.04/x
  3. Step 3: Cross multiply
    79,699.46x = 119,253.89 × 58,655.04
  4. Step 4: Simplify right side
    79,699.46x = 6,994,841,394.83
  5. Step 5: Solve for x
    x = 6,994,841,394.83/79,699.46
  6. Step 6: Final answer
    x = 87,765.23

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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.