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Finding the Fourth Proportional to 159,356, 239,044.94 and 52,739.76

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Solution

The fourth proportional to 159,356, 239,044.94 and 52,739.76 is: 79,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,356 : 239,044.94 = 52,739.76 : x
  2. Step 2: Convert to fraction form
    159,356/239,044.94 = 52,739.76/x
  3. Step 3: Cross multiply
    159,356x = 239,044.94 × 52,739.76
  4. Step 4: Simplify right side
    159,356x = 12,607,172,764.81
  5. Step 5: Solve for x
    x = 12,607,172,764.81/159,356
  6. Step 6: Final answer
    x = 79,113.26

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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.