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Finding the Fourth Proportional to 239,737.92, 357,783.96 and 213,166.56

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Solution

The fourth proportional to 239,737.92, 357,783.96 and 213,166.56 is: 318,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,737.92 : 357,783.96 = 213,166.56 : x
  2. Step 2: Convert to fraction form
    239,737.92/357,783.96 = 213,166.56/x
  3. Step 3: Cross multiply
    239,737.92x = 357,783.96 × 213,166.56
  4. Step 4: Simplify right side
    239,737.92x = 76,267,575,976.38
  5. Step 5: Solve for x
    x = 76,267,575,976.38/239,737.92
  6. Step 6: Final answer
    x = 318,128.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.