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Finding the Fourth Proportional to 104,067.60, 143,613.66 and 56,320.94

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Solution

The fourth proportional to 104,067.60, 143,613.66 and 56,320.94 is: 77,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.60 : 143,613.66 = 56,320.94 : x
  2. Step 2: Convert to fraction form
    104,067.60/143,613.66 = 56,320.94/x
  3. Step 3: Cross multiply
    104,067.60x = 143,613.66 × 56,320.94
  4. Step 4: Simplify right side
    104,067.60x = 8,088,456,328.04
  5. Step 5: Solve for x
    x = 8,088,456,328.04/104,067.60
  6. Step 6: Final answer
    x = 77,723.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.