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Finding the Fourth Proportional to 159,660,600.80, 239,490,901.20 and 159,660,600.80

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Solution

The fourth proportional to 159,660,600.80, 239,490,901.20 and 159,660,600.80 is: 239,490,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,660,600.80 : 239,490,901.20 = 159,660,600.80 : x
  2. Step 2: Convert to fraction form
    159,660,600.80/239,490,901.20 = 159,660,600.80/x
  3. Step 3: Cross multiply
    159,660,600.80x = 239,490,901.20 × 159,660,600.80
  4. Step 4: Simplify right side
    159,660,600.80x = 38,237,261,171,725,440
  5. Step 5: Solve for x
    x = 38,237,261,171,725,440/159,660,600.80
  6. Step 6: Final answer
    x = 239,490,901.20

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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.