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Finding the Fourth Proportional to 107,571.86, 148,448.13 and 59,822.90

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Solution

The fourth proportional to 107,571.86, 148,448.13 and 59,822.90 is: 82,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,571.86 : 148,448.13 = 59,822.90 : x
  2. Step 2: Convert to fraction form
    107,571.86/148,448.13 = 59,822.90/x
  3. Step 3: Cross multiply
    107,571.86x = 148,448.13 × 59,822.90
  4. Step 4: Simplify right side
    107,571.86x = 8,880,597,636.18
  5. Step 5: Solve for x
    x = 8,880,597,636.18/107,571.86
  6. Step 6: Final answer
    x = 82,555.03

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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.