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Finding the Fourth Proportional to 79,660.80, 119,534.40 and 35,294.40

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Solution

The fourth proportional to 79,660.80, 119,534.40 and 35,294.40 is: 52,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.80 : 119,534.40 = 35,294.40 : x
  2. Step 2: Convert to fraction form
    79,660.80/119,534.40 = 35,294.40/x
  3. Step 3: Cross multiply
    79,660.80x = 119,534.40 × 35,294.40
  4. Step 4: Simplify right side
    79,660.80x = 4,218,894,927.36
  5. Step 5: Solve for x
    x = 4,218,894,927.36/79,660.80
  6. Step 6: Final answer
    x = 52,960.74

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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.