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Finding the Fourth Proportional to 126,304.69, 174,300.49 and 69,716.08

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Solution

The fourth proportional to 126,304.69, 174,300.49 and 69,716.08 is: 96,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,304.69 : 174,300.49 = 69,716.08 : x
  2. Step 2: Convert to fraction form
    126,304.69/174,300.49 = 69,716.08/x
  3. Step 3: Cross multiply
    126,304.69x = 174,300.49 × 69,716.08
  4. Step 4: Simplify right side
    126,304.69x = 12,151,546,904.88
  5. Step 5: Solve for x
    x = 12,151,546,904.88/126,304.69
  6. Step 6: Final answer
    x = 96,208.20

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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.