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Finding the Fourth Proportional to 242,614.11, 334,803 and 135,181.83

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Solution

The fourth proportional to 242,614.11, 334,803 and 135,181.83 is: 186,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,614.11 : 334,803 = 135,181.83 : x
  2. Step 2: Convert to fraction form
    242,614.11/334,803 = 135,181.83/x
  3. Step 3: Cross multiply
    242,614.11x = 334,803 × 135,181.83
  4. Step 4: Simplify right side
    242,614.11x = 45,259,282,229.49
  5. Step 5: Solve for x
    x = 45,259,282,229.49/242,614.11
  6. Step 6: Final answer
    x = 186,548.43

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1.5x scale

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.