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Finding the Fourth Proportional to 235,294.20, 352,888.38 and 66,810.96

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Solution

The fourth proportional to 235,294.20, 352,888.38 and 66,810.96 is: 100,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,294.20 : 352,888.38 = 66,810.96 : x
  2. Step 2: Convert to fraction form
    235,294.20/352,888.38 = 66,810.96/x
  3. Step 3: Cross multiply
    235,294.20x = 352,888.38 × 66,810.96
  4. Step 4: Simplify right side
    235,294.20x = 23,576,811,440.64
  5. Step 5: Solve for x
    x = 23,576,811,440.64/235,294.20
  6. Step 6: Final answer
    x = 100,201.41

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1.5x scale

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.