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Finding the Fourth Proportional to 350,991.56, 526,565.10 and 163,901

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Solution

The fourth proportional to 350,991.56, 526,565.10 and 163,901 is: 245,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,991.56 : 526,565.10 = 163,901 : x
  2. Step 2: Convert to fraction form
    350,991.56/526,565.10 = 163,901/x
  3. Step 3: Cross multiply
    350,991.56x = 526,565.10 × 163,901
  4. Step 4: Simplify right side
    350,991.56x = 86,304,546,455.10
  5. Step 5: Solve for x
    x = 86,304,546,455.10/350,991.56
  6. Step 6: Final answer
    x = 245,887.81

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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.