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Finding the Fourth Proportional to 126,663.44, 174,789.16 and 69,301.52

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Solution

The fourth proportional to 126,663.44, 174,789.16 and 69,301.52 is: 95,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,663.44 : 174,789.16 = 69,301.52 : x
  2. Step 2: Convert to fraction form
    126,663.44/174,789.16 = 69,301.52/x
  3. Step 3: Cross multiply
    126,663.44x = 174,789.16 × 69,301.52
  4. Step 4: Simplify right side
    126,663.44x = 12,113,154,467.52
  5. Step 5: Solve for x
    x = 12,113,154,467.52/126,663.44
  6. Step 6: Final answer
    x = 95,632.60

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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.