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Finding the Fourth Proportional to 114,581.01, 158,119.41 and 63,590.78

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Solution

The fourth proportional to 114,581.01, 158,119.41 and 63,590.78 is: 87,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,581.01 : 158,119.41 = 63,590.78 : x
  2. Step 2: Convert to fraction form
    114,581.01/158,119.41 = 63,590.78/x
  3. Step 3: Cross multiply
    114,581.01x = 158,119.41 × 63,590.78
  4. Step 4: Simplify right side
    114,581.01x = 10,054,936,615.04
  5. Step 5: Solve for x
    x = 10,054,936,615.04/114,581.01
  6. Step 6: Final answer
    x = 87,753.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.