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Finding the Fourth Proportional to 236,616.68, 354,820.62 and 88,769

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Solution

The fourth proportional to 236,616.68, 354,820.62 and 88,769 is: 133,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,616.68 : 354,820.62 = 88,769 : x
  2. Step 2: Convert to fraction form
    236,616.68/354,820.62 = 88,769/x
  3. Step 3: Cross multiply
    236,616.68x = 354,820.62 × 88,769
  4. Step 4: Simplify right side
    236,616.68x = 31,497,071,616.78
  5. Step 5: Solve for x
    x = 31,497,071,616.78/236,616.68
  6. Step 6: Final answer
    x = 133,114.33

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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.