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Finding the Fourth Proportional to 235,040.44, 352,700.75 and 85,292.42

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Solution

The fourth proportional to 235,040.44, 352,700.75 and 85,292.42 is: 127,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,040.44 : 352,700.75 = 85,292.42 : x
  2. Step 2: Convert to fraction form
    235,040.44/352,700.75 = 85,292.42/x
  3. Step 3: Cross multiply
    235,040.44x = 352,700.75 × 85,292.42
  4. Step 4: Simplify right side
    235,040.44x = 30,082,698,953.04
  5. Step 5: Solve for x
    x = 30,082,698,953.04/235,040.44
  6. Step 6: Final answer
    x = 127,989.46

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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.