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Finding the Fourth Proportional to 160,579.20, 240,955.20 and 67,094.40

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Solution

The fourth proportional to 160,579.20, 240,955.20 and 67,094.40 is: 100,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,579.20 : 240,955.20 = 67,094.40 : x
  2. Step 2: Convert to fraction form
    160,579.20/240,955.20 = 67,094.40/x
  3. Step 3: Cross multiply
    160,579.20x = 240,955.20 × 67,094.40
  4. Step 4: Simplify right side
    160,579.20x = 16,166,744,570.88
  5. Step 5: Solve for x
    x = 16,166,744,570.88/160,579.20
  6. Step 6: Final answer
    x = 100,677.70

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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.