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Finding the Fourth Proportional to 114,673.96, 158,255.31 and 63,686.89

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Solution

The fourth proportional to 114,673.96, 158,255.31 and 63,686.89 is: 87,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,673.96 : 158,255.31 = 63,686.89 : x
  2. Step 2: Convert to fraction form
    114,673.96/158,255.31 = 63,686.89/x
  3. Step 3: Cross multiply
    114,673.96x = 158,255.31 × 63,686.89
  4. Step 4: Simplify right side
    114,673.96x = 10,078,788,519.89
  5. Step 5: Solve for x
    x = 10,078,788,519.89/114,673.96
  6. Step 6: Final answer
    x = 87,890.82

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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.