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Finding the Fourth Proportional to 159,772,238.70, 239,658,358.05 and 159,772,238.70

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Solution

The fourth proportional to 159,772,238.70, 239,658,358.05 and 159,772,238.70 is: 239,658,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772,238.70 : 239,658,358.05 = 159,772,238.70 : x
  2. Step 2: Convert to fraction form
    159,772,238.70/239,658,358.05 = 159,772,238.70/x
  3. Step 3: Cross multiply
    159,772,238.70x = 239,658,358.05 × 159,772,238.70
  4. Step 4: Simplify right side
    159,772,238.70x = 38,290,752,388,814,664
  5. Step 5: Solve for x
    x = 38,290,752,388,814,664/159,772,238.70
  6. Step 6: Final answer
    x = 239,658,358.05

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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.