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Finding the Fourth Proportional to 126,394.32, 174,435.01 and 69,816.63

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Solution

The fourth proportional to 126,394.32, 174,435.01 and 69,816.63 is: 96,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,394.32 : 174,435.01 = 69,816.63 : x
  2. Step 2: Convert to fraction form
    126,394.32/174,435.01 = 69,816.63/x
  3. Step 3: Cross multiply
    126,394.32x = 174,435.01 × 69,816.63
  4. Step 4: Simplify right side
    126,394.32x = 12,178,464,552.22
  5. Step 5: Solve for x
    x = 12,178,464,552.22/126,394.32
  6. Step 6: Final answer
    x = 96,352.94

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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.