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Finding the Fourth Proportional to 235,507.14, 353,264.80 and 67,031.80

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Solution

The fourth proportional to 235,507.14, 353,264.80 and 67,031.80 is: 100,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,507.14 : 353,264.80 = 67,031.80 : x
  2. Step 2: Convert to fraction form
    235,507.14/353,264.80 = 67,031.80/x
  3. Step 3: Cross multiply
    235,507.14x = 353,264.80 × 67,031.80
  4. Step 4: Simplify right side
    235,507.14x = 23,679,975,420.64
  5. Step 5: Solve for x
    x = 23,679,975,420.64/235,507.14
  6. Step 6: Final answer
    x = 100,548.86

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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.