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Finding the Fourth Proportional to 160,940.30, 241,410.45 and 67,436.30

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Solution

The fourth proportional to 160,940.30, 241,410.45 and 67,436.30 is: 101,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,940.30 : 241,410.45 = 67,436.30 : x
  2. Step 2: Convert to fraction form
    160,940.30/241,410.45 = 67,436.30/x
  3. Step 3: Cross multiply
    160,940.30x = 241,410.45 × 67,436.30
  4. Step 4: Simplify right side
    160,940.30x = 16,279,827,529.34
  5. Step 5: Solve for x
    x = 16,279,827,529.34/160,940.30
  6. Step 6: Final answer
    x = 101,154.45

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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.