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Finding the Fourth Proportional to 107,605.60, 161,359.80 and 48,410.80

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Solution

The fourth proportional to 107,605.60, 161,359.80 and 48,410.80 is: 72,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,605.60 : 161,359.80 = 48,410.80 : x
  2. Step 2: Convert to fraction form
    107,605.60/161,359.80 = 48,410.80/x
  3. Step 3: Cross multiply
    107,605.60x = 161,359.80 × 48,410.80
  4. Step 4: Simplify right side
    107,605.60x = 7,811,557,005.84
  5. Step 5: Solve for x
    x = 7,811,557,005.84/107,605.60
  6. Step 6: Final answer
    x = 72,594.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.