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Finding the Fourth Proportional to 79,579.76, 119,369 and 29,658.16

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Solution

The fourth proportional to 79,579.76, 119,369 and 29,658.16 is: 44,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.76 : 119,369 = 29,658.16 : x
  2. Step 2: Convert to fraction form
    79,579.76/119,369 = 29,658.16/x
  3. Step 3: Cross multiply
    79,579.76x = 119,369 × 29,658.16
  4. Step 4: Simplify right side
    79,579.76x = 3,540,264,901.04
  5. Step 5: Solve for x
    x = 3,540,264,901.04/79,579.76
  6. Step 6: Final answer
    x = 44,487.00

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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.