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Finding the Fourth Proportional to 231,373.08, 346,663.08 and 155,329.20

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Solution

The fourth proportional to 231,373.08, 346,663.08 and 155,329.20 is: 232,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,373.08 : 346,663.08 = 155,329.20 : x
  2. Step 2: Convert to fraction form
    231,373.08/346,663.08 = 155,329.20/x
  3. Step 3: Cross multiply
    231,373.08x = 346,663.08 × 155,329.20
  4. Step 4: Simplify right side
    231,373.08x = 53,846,898,885.94
  5. Step 5: Solve for x
    x = 53,846,898,885.94/231,373.08
  6. Step 6: Final answer
    x = 232,727.59

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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.