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Finding the Fourth Proportional to 94,506.85, 141,780.98 and 69,470.97

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Solution

The fourth proportional to 94,506.85, 141,780.98 and 69,470.97 is: 104,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,506.85 : 141,780.98 = 69,470.97 : x
  2. Step 2: Convert to fraction form
    94,506.85/141,780.98 = 69,470.97/x
  3. Step 3: Cross multiply
    94,506.85x = 141,780.98 × 69,470.97
  4. Step 4: Simplify right side
    94,506.85x = 9,849,661,850.15
  5. Step 5: Solve for x
    x = 9,849,661,850.15/94,506.85
  6. Step 6: Final answer
    x = 104,221.67

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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.