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Finding the Fourth Proportional to 159,898,246.90, 239,847,370.35 and 159,898,246.90

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Solution

The fourth proportional to 159,898,246.90, 239,847,370.35 and 159,898,246.90 is: 239,847,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,898,246.90 : 239,847,370.35 = 159,898,246.90 : x
  2. Step 2: Convert to fraction form
    159,898,246.90/239,847,370.35 = 159,898,246.90/x
  3. Step 3: Cross multiply
    159,898,246.90x = 239,847,370.35 × 159,898,246.90
  4. Step 4: Simplify right side
    159,898,246.90x = 38,351,174,042,540,040
  5. Step 5: Solve for x
    x = 38,351,174,042,540,040/159,898,246.90
  6. Step 6: Final answer
    x = 239,847,370.35

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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.