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Finding the Fourth Proportional to 216,775.04, 299,249.94 and 126,097.96

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Solution

The fourth proportional to 216,775.04, 299,249.94 and 126,097.96 is: 174,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775.04 : 299,249.94 = 126,097.96 : x
  2. Step 2: Convert to fraction form
    216,775.04/299,249.94 = 126,097.96/x
  3. Step 3: Cross multiply
    216,775.04x = 299,249.94 × 126,097.96
  4. Step 4: Simplify right side
    216,775.04x = 37,734,806,964.12
  5. Step 5: Solve for x
    x = 37,734,806,964.12/216,775.04
  6. Step 6: Final answer
    x = 174,073.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.