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Finding the Fourth Proportional to 235,555.95, 353,215.67 and 109,087.41

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Solution

The fourth proportional to 235,555.95, 353,215.67 and 109,087.41 is: 163,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,555.95 : 353,215.67 = 109,087.41 : x
  2. Step 2: Convert to fraction form
    235,555.95/353,215.67 = 109,087.41/x
  3. Step 3: Cross multiply
    235,555.95x = 353,215.67 × 109,087.41
  4. Step 4: Simplify right side
    235,555.95x = 38,531,382,066.28
  5. Step 5: Solve for x
    x = 38,531,382,066.28/235,555.95
  6. Step 6: Final answer
    x = 163,576.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.