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Finding the Fourth Proportional to 159,141, 219,614.82 and 92,077.32

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Solution

The fourth proportional to 159,141, 219,614.82 and 92,077.32 is: 127,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,141 : 219,614.82 = 92,077.32 : x
  2. Step 2: Convert to fraction form
    159,141/219,614.82 = 92,077.32/x
  3. Step 3: Cross multiply
    159,141x = 219,614.82 × 92,077.32
  4. Step 4: Simplify right side
    159,141x = 20,221,544,057.88
  5. Step 5: Solve for x
    x = 20,221,544,057.88/159,141
  6. Step 6: Final answer
    x = 127,066.84

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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.