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Finding the Fourth Proportional to 79,713.36, 119,488.01 and 35,361

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Solution

The fourth proportional to 79,713.36, 119,488.01 and 35,361 is: 53,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713.36 : 119,488.01 = 35,361 : x
  2. Step 2: Convert to fraction form
    79,713.36/119,488.01 = 35,361/x
  3. Step 3: Cross multiply
    79,713.36x = 119,488.01 × 35,361
  4. Step 4: Simplify right side
    79,713.36x = 4,225,215,344.81
  5. Step 5: Solve for x
    x = 4,225,215,344.81/79,713.36
  6. Step 6: Final answer
    x = 53,005.11

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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.