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Finding the Fourth Proportional to 114,805.82, 158,433.92 and 63,125.10

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Solution

The fourth proportional to 114,805.82, 158,433.92 and 63,125.10 is: 87,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,805.82 : 158,433.92 = 63,125.10 : x
  2. Step 2: Convert to fraction form
    114,805.82/158,433.92 = 63,125.10/x
  3. Step 3: Cross multiply
    114,805.82x = 158,433.92 × 63,125.10
  4. Step 4: Simplify right side
    114,805.82x = 10,001,157,043.39
  5. Step 5: Solve for x
    x = 10,001,157,043.39/114,805.82
  6. Step 6: Final answer
    x = 87,113.68

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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.