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Finding the Fourth Proportional to 167,319,040.60, 250,978,560.90 and 155,981,632.60

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Solution

The fourth proportional to 167,319,040.60, 250,978,560.90 and 155,981,632.60 is: 233,972,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,319,040.60 : 250,978,560.90 = 155,981,632.60 : x
  2. Step 2: Convert to fraction form
    167,319,040.60/250,978,560.90 = 155,981,632.60/x
  3. Step 3: Cross multiply
    167,319,040.60x = 250,978,560.90 × 155,981,632.60
  4. Step 4: Simplify right side
    167,319,040.60x = 39,148,045,676,780,528
  5. Step 5: Solve for x
    x = 39,148,045,676,780,528/167,319,040.60
  6. Step 6: Final answer
    x = 233,972,448.90

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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.