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Finding the Fourth Proportional to 94,563.76, 141,911.16 and 61,200.76

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Solution

The fourth proportional to 94,563.76, 141,911.16 and 61,200.76 is: 91,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,563.76 : 141,911.16 = 61,200.76 : x
  2. Step 2: Convert to fraction form
    94,563.76/141,911.16 = 61,200.76/x
  3. Step 3: Cross multiply
    94,563.76x = 141,911.16 × 61,200.76
  4. Step 4: Simplify right side
    94,563.76x = 8,685,070,844.48
  5. Step 5: Solve for x
    x = 8,685,070,844.48/94,563.76
  6. Step 6: Final answer
    x = 91,843.54

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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.