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Finding the Fourth Proportional to 160,869.60, 241,333.20 and 67,384.80

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Solution

The fourth proportional to 160,869.60, 241,333.20 and 67,384.80 is: 101,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,869.60 : 241,333.20 = 67,384.80 : x
  2. Step 2: Convert to fraction form
    160,869.60/241,333.20 = 67,384.80/x
  3. Step 3: Cross multiply
    160,869.60x = 241,333.20 × 67,384.80
  4. Step 4: Simplify right side
    160,869.60x = 16,262,189,415.36
  5. Step 5: Solve for x
    x = 16,262,189,415.36/160,869.60
  6. Step 6: Final answer
    x = 101,089.26

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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.