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Finding the Fourth Proportional to 160,905.20, 241,444.20 and 67,420.40

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Solution

The fourth proportional to 160,905.20, 241,444.20 and 67,420.40 is: 101,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,905.20 : 241,444.20 = 67,420.40 : x
  2. Step 2: Convert to fraction form
    160,905.20/241,444.20 = 67,420.40/x
  3. Step 3: Cross multiply
    160,905.20x = 241,444.20 × 67,420.40
  4. Step 4: Simplify right side
    160,905.20x = 16,278,264,541.68
  5. Step 5: Solve for x
    x = 16,278,264,541.68/160,905.20
  6. Step 6: Final answer
    x = 101,166.80

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1.5x scale

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.