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Finding the Fourth Proportional to 126,391.59, 174,419.33 and 69,801.75

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Solution

The fourth proportional to 126,391.59, 174,419.33 and 69,801.75 is: 96,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,391.59 : 174,419.33 = 69,801.75 : x
  2. Step 2: Convert to fraction form
    126,391.59/174,419.33 = 69,801.75/x
  3. Step 3: Cross multiply
    126,391.59x = 174,419.33 × 69,801.75
  4. Step 4: Simplify right side
    126,391.59x = 12,174,774,118.82
  5. Step 5: Solve for x
    x = 12,174,774,118.82/126,391.59
  6. Step 6: Final answer
    x = 96,325.82

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