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Finding the Fourth Proportional to 79,803.69, 119,663.40 and 35,411.10

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Solution

The fourth proportional to 79,803.69, 119,663.40 and 35,411.10 is: 53,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.69 : 119,663.40 = 35,411.10 : x
  2. Step 2: Convert to fraction form
    79,803.69/119,663.40 = 35,411.10/x
  3. Step 3: Cross multiply
    79,803.69x = 119,663.40 × 35,411.10
  4. Step 4: Simplify right side
    79,803.69x = 4,237,412,623.74
  5. Step 5: Solve for x
    x = 4,237,412,623.74/79,803.69
  6. Step 6: Final answer
    x = 53,097.95

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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.