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Finding the Fourth Proportional to 104,249.41, 143,864.41 and 56,502.74

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Solution

The fourth proportional to 104,249.41, 143,864.41 and 56,502.74 is: 77,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,249.41 : 143,864.41 = 56,502.74 : x
  2. Step 2: Convert to fraction form
    104,249.41/143,864.41 = 56,502.74/x
  3. Step 3: Cross multiply
    104,249.41x = 143,864.41 × 56,502.74
  4. Step 4: Simplify right side
    104,249.41x = 8,128,733,353.48
  5. Step 5: Solve for x
    x = 8,128,733,353.48/104,249.41
  6. Step 6: Final answer
    x = 77,973.90

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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.