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Finding the Fourth Proportional to 67,682.86, 93,361.48 and 43,475.68

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Solution

The fourth proportional to 67,682.86, 93,361.48 and 43,475.68 is: 59,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,682.86 : 93,361.48 = 43,475.68 : x
  2. Step 2: Convert to fraction form
    67,682.86/93,361.48 = 43,475.68/x
  3. Step 3: Cross multiply
    67,682.86x = 93,361.48 × 43,475.68
  4. Step 4: Simplify right side
    67,682.86x = 4,058,953,828.81
  5. Step 5: Solve for x
    x = 4,058,953,828.81/67,682.86
  6. Step 6: Final answer
    x = 59,970.19

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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.