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Finding the Fourth Proportional to 217,959.46, 326,938.68 and 60,187.46

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Solution

The fourth proportional to 217,959.46, 326,938.68 and 60,187.46 is: 90,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,959.46 : 326,938.68 = 60,187.46 : x
  2. Step 2: Convert to fraction form
    217,959.46/326,938.68 = 60,187.46/x
  3. Step 3: Cross multiply
    217,959.46x = 326,938.68 × 60,187.46
  4. Step 4: Simplify right side
    217,959.46x = 19,677,607,090.26
  5. Step 5: Solve for x
    x = 19,677,607,090.26/217,959.46
  6. Step 6: Final answer
    x = 90,281.04

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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.