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Finding the Fourth Proportional to 94,668.81, 141,867.90 and 69,511.48

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Solution

The fourth proportional to 94,668.81, 141,867.90 and 69,511.48 is: 104,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,668.81 : 141,867.90 = 69,511.48 : x
  2. Step 2: Convert to fraction form
    94,668.81/141,867.90 = 69,511.48/x
  3. Step 3: Cross multiply
    94,668.81x = 141,867.90 × 69,511.48
  4. Step 4: Simplify right side
    94,668.81x = 9,861,447,693.49
  5. Step 5: Solve for x
    x = 9,861,447,693.49/94,668.81
  6. Step 6: Final answer
    x = 104,167.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.