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Finding the Fourth Proportional to 126,552, 174,645.41 and 69,967.02

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Solution

The fourth proportional to 126,552, 174,645.41 and 69,967.02 is: 96,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552 : 174,645.41 = 69,967.02 : x
  2. Step 2: Convert to fraction form
    126,552/174,645.41 = 69,967.02/x
  3. Step 3: Cross multiply
    126,552x = 174,645.41 × 69,967.02
  4. Step 4: Simplify right side
    126,552x = 12,219,418,544.54
  5. Step 5: Solve for x
    x = 12,219,418,544.54/126,552
  6. Step 6: Final answer
    x = 96,556.50

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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.