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Finding the Fourth Proportional to 194,472.30, 292,000.05 and 135,569.10

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Solution

The fourth proportional to 194,472.30, 292,000.05 and 135,569.10 is: 203,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,472.30 : 292,000.05 = 135,569.10 : x
  2. Step 2: Convert to fraction form
    194,472.30/292,000.05 = 135,569.10/x
  3. Step 3: Cross multiply
    194,472.30x = 292,000.05 × 135,569.10
  4. Step 4: Simplify right side
    194,472.30x = 39,586,183,978.46
  5. Step 5: Solve for x
    x = 39,586,183,978.46/194,472.30
  6. Step 6: Final answer
    x = 203,556.93

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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.