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Finding the Fourth Proportional to 181,875.72, 250,901.58 and 141,311.90

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Solution

The fourth proportional to 181,875.72, 250,901.58 and 141,311.90 is: 194,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,875.72 : 250,901.58 = 141,311.90 : x
  2. Step 2: Convert to fraction form
    181,875.72/250,901.58 = 141,311.90/x
  3. Step 3: Cross multiply
    181,875.72x = 250,901.58 × 141,311.90
  4. Step 4: Simplify right side
    181,875.72x = 35,455,378,982.80
  5. Step 5: Solve for x
    x = 35,455,378,982.80/181,875.72
  6. Step 6: Final answer
    x = 194,942.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.