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Finding the Fourth Proportional to 88,805.14, 133,207.72 and 36,218.74

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Solution

The fourth proportional to 88,805.14, 133,207.72 and 36,218.74 is: 54,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,805.14 : 133,207.72 = 36,218.74 : x
  2. Step 2: Convert to fraction form
    88,805.14/133,207.72 = 36,218.74/x
  3. Step 3: Cross multiply
    88,805.14x = 133,207.72 × 36,218.74
  4. Step 4: Simplify right side
    88,805.14x = 4,824,615,776.67
  5. Step 5: Solve for x
    x = 4,824,615,776.67/88,805.14
  6. Step 6: Final answer
    x = 54,328.11

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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.