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Finding the Fourth Proportional to 145,793.12, 201,232.05 and 94,932.81

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Solution

The fourth proportional to 145,793.12, 201,232.05 and 94,932.81 is: 131,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,793.12 : 201,232.05 = 94,932.81 : x
  2. Step 2: Convert to fraction form
    145,793.12/201,232.05 = 94,932.81/x
  3. Step 3: Cross multiply
    145,793.12x = 201,232.05 × 94,932.81
  4. Step 4: Simplify right side
    145,793.12x = 19,103,523,612.56
  5. Step 5: Solve for x
    x = 19,103,523,612.56/145,793.12
  6. Step 6: Final answer
    x = 131,031.73

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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.