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Finding the Fourth Proportional to 104,252.64, 143,864.76 and 56,504.97

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Solution

The fourth proportional to 104,252.64, 143,864.76 and 56,504.97 is: 77,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,252.64 : 143,864.76 = 56,504.97 : x
  2. Step 2: Convert to fraction form
    104,252.64/143,864.76 = 56,504.97/x
  3. Step 3: Cross multiply
    104,252.64x = 143,864.76 × 56,504.97
  4. Step 4: Simplify right side
    104,252.64x = 8,129,073,947.86
  5. Step 5: Solve for x
    x = 8,129,073,947.86/104,252.64
  6. Step 6: Final answer
    x = 77,974.75

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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.