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Finding the Fourth Proportional to 126,673.92, 174,807.32 and 69,313.02

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Solution

The fourth proportional to 126,673.92, 174,807.32 and 69,313.02 is: 95,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,673.92 : 174,807.32 = 69,313.02 : x
  2. Step 2: Convert to fraction form
    126,673.92/174,807.32 = 69,313.02/x
  3. Step 3: Cross multiply
    126,673.92x = 174,807.32 × 69,313.02
  4. Step 4: Simplify right side
    126,673.92x = 12,116,422,265.21
  5. Step 5: Solve for x
    x = 12,116,422,265.21/126,673.92
  6. Step 6: Final answer
    x = 95,650.49

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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.