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Finding the Fourth Proportional to 114,318.69, 157,759.74 and 63,334.72

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Solution

The fourth proportional to 114,318.69, 157,759.74 and 63,334.72 is: 87,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,318.69 : 157,759.74 = 63,334.72 : x
  2. Step 2: Convert to fraction form
    114,318.69/157,759.74 = 63,334.72/x
  3. Step 3: Cross multiply
    114,318.69x = 157,759.74 × 63,334.72
  4. Step 4: Simplify right side
    114,318.69x = 9,991,668,960.17
  5. Step 5: Solve for x
    x = 9,991,668,960.17/114,318.69
  6. Step 6: Final answer
    x = 87,401.88

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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.