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Finding the Fourth Proportional to 191,510.82, 286,997.30 and 151,353.28

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Solution

The fourth proportional to 191,510.82, 286,997.30 and 151,353.28 is: 226,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,510.82 : 286,997.30 = 151,353.28 : x
  2. Step 2: Convert to fraction form
    191,510.82/286,997.30 = 151,353.28/x
  3. Step 3: Cross multiply
    191,510.82x = 286,997.30 × 151,353.28
  4. Step 4: Simplify right side
    191,510.82x = 43,437,982,706.14
  5. Step 5: Solve for x
    x = 43,437,982,706.14/191,510.82
  6. Step 6: Final answer
    x = 226,817.38

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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.