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Finding the Fourth Proportional to 195,737.80, 293,606.70 and 155,648.20

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Solution

The fourth proportional to 195,737.80, 293,606.70 and 155,648.20 is: 233,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,737.80 : 293,606.70 = 155,648.20 : x
  2. Step 2: Convert to fraction form
    195,737.80/293,606.70 = 155,648.20/x
  3. Step 3: Cross multiply
    195,737.80x = 293,606.70 × 155,648.20
  4. Step 4: Simplify right side
    195,737.80x = 45,699,354,362.94
  5. Step 5: Solve for x
    x = 45,699,354,362.94/195,737.80
  6. Step 6: Final answer
    x = 233,472.30

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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.