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Finding the Fourth Proportional to 126,108.56, 174,030.36 and 69,518.72

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Solution

The fourth proportional to 126,108.56, 174,030.36 and 69,518.72 is: 95,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.56 : 174,030.36 = 69,518.72 : x
  2. Step 2: Convert to fraction form
    126,108.56/174,030.36 = 69,518.72/x
  3. Step 3: Cross multiply
    126,108.56x = 174,030.36 × 69,518.72
  4. Step 4: Simplify right side
    126,108.56x = 12,098,367,868.34
  5. Step 5: Solve for x
    x = 12,098,367,868.34/126,108.56
  6. Step 6: Final answer
    x = 95,936.14

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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.