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Finding the Fourth Proportional to 231,366.72, 346,423.98 and 151,204.98

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Solution

The fourth proportional to 231,366.72, 346,423.98 and 151,204.98 is: 226,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,366.72 : 346,423.98 = 151,204.98 : x
  2. Step 2: Convert to fraction form
    231,366.72/346,423.98 = 151,204.98/x
  3. Step 3: Cross multiply
    231,366.72x = 346,423.98 × 151,204.98
  4. Step 4: Simplify right side
    231,366.72x = 52,381,030,967.42
  5. Step 5: Solve for x
    x = 52,381,030,967.42/231,366.72
  6. Step 6: Final answer
    x = 226,398.30

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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.