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Finding the Fourth Proportional to 126,562.32, 174,663 and 69,972.48

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Solution

The fourth proportional to 126,562.32, 174,663 and 69,972.48 is: 96,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,562.32 : 174,663 = 69,972.48 : x
  2. Step 2: Convert to fraction form
    126,562.32/174,663 = 69,972.48/x
  3. Step 3: Cross multiply
    126,562.32x = 174,663 × 69,972.48
  4. Step 4: Simplify right side
    126,562.32x = 12,221,603,274.24
  5. Step 5: Solve for x
    x = 12,221,603,274.24/126,562.32
  6. Step 6: Final answer
    x = 96,565.89

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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.