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Finding the Fourth Proportional to 279,793.02, 386,114.43 and 152,468.64

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Solution

The fourth proportional to 279,793.02, 386,114.43 and 152,468.64 is: 210,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,793.02 : 386,114.43 = 152,468.64 : x
  2. Step 2: Convert to fraction form
    279,793.02/386,114.43 = 152,468.64/x
  3. Step 3: Cross multiply
    279,793.02x = 386,114.43 × 152,468.64
  4. Step 4: Simplify right side
    279,793.02x = 58,870,342,026.48
  5. Step 5: Solve for x
    x = 58,870,342,026.48/279,793.02
  6. Step 6: Final answer
    x = 210,406.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.