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Finding the Fourth Proportional to 159,346.72, 239,026.71 and 47,026.96

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Solution

The fourth proportional to 159,346.72, 239,026.71 and 47,026.96 is: 70,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,346.72 : 239,026.71 = 47,026.96 : x
  2. Step 2: Convert to fraction form
    159,346.72/239,026.71 = 47,026.96/x
  3. Step 3: Cross multiply
    159,346.72x = 239,026.71 × 47,026.96
  4. Step 4: Simplify right side
    159,346.72x = 11,240,699,530.10
  5. Step 5: Solve for x
    x = 11,240,699,530.10/159,346.72
  6. Step 6: Final answer
    x = 70,542.40

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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.