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Finding the Fourth Proportional to 114,304.38, 157,734.54 and 63,313.66

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Solution

The fourth proportional to 114,304.38, 157,734.54 and 63,313.66 is: 87,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,304.38 : 157,734.54 = 63,313.66 : x
  2. Step 2: Convert to fraction form
    114,304.38/157,734.54 = 63,313.66/x
  3. Step 3: Cross multiply
    114,304.38x = 157,734.54 × 63,313.66
  4. Step 4: Simplify right side
    114,304.38x = 9,986,751,035.82
  5. Step 5: Solve for x
    x = 9,986,751,035.82/114,304.38
  6. Step 6: Final answer
    x = 87,369.80

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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.