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Finding the Fourth Proportional to 228,962.56, 343,641.48 and 158,891.08

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Solution

The fourth proportional to 228,962.56, 343,641.48 and 158,891.08 is: 238,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,962.56 : 343,641.48 = 158,891.08 : x
  2. Step 2: Convert to fraction form
    228,962.56/343,641.48 = 158,891.08/x
  3. Step 3: Cross multiply
    228,962.56x = 343,641.48 × 158,891.08
  4. Step 4: Simplify right side
    228,962.56x = 54,601,565,890.00
  5. Step 5: Solve for x
    x = 54,601,565,890.00/228,962.56
  6. Step 6: Final answer
    x = 238,473.77

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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.