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Finding the Fourth Proportional to 114,030.97, 157,363.08 and 63,729.97

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Solution

The fourth proportional to 114,030.97, 157,363.08 and 63,729.97 is: 87,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.97 : 157,363.08 = 63,729.97 : x
  2. Step 2: Convert to fraction form
    114,030.97/157,363.08 = 63,729.97/x
  3. Step 3: Cross multiply
    114,030.97x = 157,363.08 × 63,729.97
  4. Step 4: Simplify right side
    114,030.97x = 10,028,743,580.69
  5. Step 5: Solve for x
    x = 10,028,743,580.69/114,030.97
  6. Step 6: Final answer
    x = 87,947.55

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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.