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Finding the Fourth Proportional to 109,252.94, 150,771.87 and 61,508.00

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Solution

The fourth proportional to 109,252.94, 150,771.87 and 61,508.00 is: 84,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,252.94 : 150,771.87 = 61,508.00 : x
  2. Step 2: Convert to fraction form
    109,252.94/150,771.87 = 61,508.00/x
  3. Step 3: Cross multiply
    109,252.94x = 150,771.87 × 61,508.00
  4. Step 4: Simplify right side
    109,252.94x = 9,273,675,426.10
  5. Step 5: Solve for x
    x = 9,273,675,426.10/109,252.94
  6. Step 6: Final answer
    x = 84,882.62

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1.5x scale

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.