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Finding the Fourth Proportional to 228,952.32, 343,428.48 and 71,190.72

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Solution

The fourth proportional to 228,952.32, 343,428.48 and 71,190.72 is: 106,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,952.32 : 343,428.48 = 71,190.72 : x
  2. Step 2: Convert to fraction form
    228,952.32/343,428.48 = 71,190.72/x
  3. Step 3: Cross multiply
    228,952.32x = 343,428.48 × 71,190.72
  4. Step 4: Simplify right side
    228,952.32x = 24,448,920,759.71
  5. Step 5: Solve for x
    x = 24,448,920,759.71/228,952.32
  6. Step 6: Final answer
    x = 106,786.08

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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.