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Finding the Fourth Proportional to 272,178.92, 375,606.24 and 151,331.24

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Solution

The fourth proportional to 272,178.92, 375,606.24 and 151,331.24 is: 208,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,178.92 : 375,606.24 = 151,331.24 : x
  2. Step 2: Convert to fraction form
    272,178.92/375,606.24 = 151,331.24/x
  3. Step 3: Cross multiply
    272,178.92x = 375,606.24 × 151,331.24
  4. Step 4: Simplify right side
    272,178.92x = 56,840,958,050.94
  5. Step 5: Solve for x
    x = 56,840,958,050.94/272,178.92
  6. Step 6: Final answer
    x = 208,836.74

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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.