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Finding the Fourth Proportional to 195,737.80, 293,606.70 and 161,912.20

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Solution

The fourth proportional to 195,737.80, 293,606.70 and 161,912.20 is: 242,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,737.80 : 293,606.70 = 161,912.20 : x
  2. Step 2: Convert to fraction form
    195,737.80/293,606.70 = 161,912.20/x
  3. Step 3: Cross multiply
    195,737.80x = 293,606.70 × 161,912.20
  4. Step 4: Simplify right side
    195,737.80x = 47,538,506,731.74
  5. Step 5: Solve for x
    x = 47,538,506,731.74/195,737.80
  6. Step 6: Final answer
    x = 242,868.30

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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.