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Finding the Fourth Proportional to 151,939.30, 227,908.95 and 73,207.30

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Solution

The fourth proportional to 151,939.30, 227,908.95 and 73,207.30 is: 109,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939.30 : 227,908.95 = 73,207.30 : x
  2. Step 2: Convert to fraction form
    151,939.30/227,908.95 = 73,207.30/x
  3. Step 3: Cross multiply
    151,939.30x = 227,908.95 × 73,207.30
  4. Step 4: Simplify right side
    151,939.30x = 16,684,598,875.34
  5. Step 5: Solve for x
    x = 16,684,598,875.34/151,939.30
  6. Step 6: Final answer
    x = 109,810.95

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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.