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Finding the Fourth Proportional to 114,686.67, 158,265.05 and 63,696.54

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Solution

The fourth proportional to 114,686.67, 158,265.05 and 63,696.54 is: 87,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,686.67 : 158,265.05 = 63,696.54 : x
  2. Step 2: Convert to fraction form
    114,686.67/158,265.05 = 63,696.54/x
  3. Step 3: Cross multiply
    114,686.67x = 158,265.05 × 63,696.54
  4. Step 4: Simplify right side
    114,686.67x = 10,080,935,769.44
  5. Step 5: Solve for x
    x = 10,080,935,769.44/114,686.67
  6. Step 6: Final answer
    x = 87,899.80

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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.