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Finding the Fourth Proportional to 159,335.66, 239,044.49 and 47,011.34

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Solution

The fourth proportional to 159,335.66, 239,044.49 and 47,011.34 is: 70,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,335.66 : 239,044.49 = 47,011.34 : x
  2. Step 2: Convert to fraction form
    159,335.66/239,044.49 = 47,011.34/x
  3. Step 3: Cross multiply
    159,335.66x = 239,044.49 × 47,011.34
  4. Step 4: Simplify right side
    159,335.66x = 11,237,800,364.24
  5. Step 5: Solve for x
    x = 11,237,800,364.24/159,335.66
  6. Step 6: Final answer
    x = 70,529.10

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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.