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Finding the Fourth Proportional to 231,756.36, 319,850.70 and 141,165.36

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Solution

The fourth proportional to 231,756.36, 319,850.70 and 141,165.36 is: 194,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,756.36 : 319,850.70 = 141,165.36 : x
  2. Step 2: Convert to fraction form
    231,756.36/319,850.70 = 141,165.36/x
  3. Step 3: Cross multiply
    231,756.36x = 319,850.70 × 141,165.36
  4. Step 4: Simplify right side
    231,756.36x = 45,151,839,211.75
  5. Step 5: Solve for x
    x = 45,151,839,211.75/231,756.36
  6. Step 6: Final answer
    x = 194,824.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.