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Finding the Fourth Proportional to 96,586, 133,289.16 and 56,327.68

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Solution

The fourth proportional to 96,586, 133,289.16 and 56,327.68 is: 77,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,586 : 133,289.16 = 56,327.68 : x
  2. Step 2: Convert to fraction form
    96,586/133,289.16 = 56,327.68/x
  3. Step 3: Cross multiply
    96,586x = 133,289.16 × 56,327.68
  4. Step 4: Simplify right side
    96,586x = 7,507,869,151.95
  5. Step 5: Solve for x
    x = 7,507,869,151.95/96,586
  6. Step 6: Final answer
    x = 77,732.48

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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.