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Finding the Fourth Proportional to 500,987.88, 751,321.44 and 163,937.16

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Solution

The fourth proportional to 500,987.88, 751,321.44 and 163,937.16 is: 245,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,987.88 : 751,321.44 = 163,937.16 : x
  2. Step 2: Convert to fraction form
    500,987.88/751,321.44 = 163,937.16/x
  3. Step 3: Cross multiply
    500,987.88x = 751,321.44 × 163,937.16
  4. Step 4: Simplify right side
    500,987.88x = 123,169,503,120.71
  5. Step 5: Solve for x
    x = 123,169,503,120.71/500,987.88
  6. Step 6: Final answer
    x = 245,853.26

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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.