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Finding the Fourth Proportional to 160,343.69, 240,447.87 and 48,039.87

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Solution

The fourth proportional to 160,343.69, 240,447.87 and 48,039.87 is: 72,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,343.69 : 240,447.87 = 48,039.87 : x
  2. Step 2: Convert to fraction form
    160,343.69/240,447.87 = 48,039.87/x
  3. Step 3: Cross multiply
    160,343.69x = 240,447.87 × 48,039.87
  4. Step 4: Simplify right side
    160,343.69x = 11,551,084,416.58
  5. Step 5: Solve for x
    x = 11,551,084,416.58/160,343.69
  6. Step 6: Final answer
    x = 72,039.53

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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.