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Finding the Fourth Proportional to 271,818.40, 407,727.60 and 94,266.40

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Solution

The fourth proportional to 271,818.40, 407,727.60 and 94,266.40 is: 141,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,818.40 : 407,727.60 = 94,266.40 : x
  2. Step 2: Convert to fraction form
    271,818.40/407,727.60 = 94,266.40/x
  3. Step 3: Cross multiply
    271,818.40x = 407,727.60 × 94,266.40
  4. Step 4: Simplify right side
    271,818.40x = 38,435,013,032.64
  5. Step 5: Solve for x
    x = 38,435,013,032.64/271,818.40
  6. Step 6: Final answer
    x = 141,399.60

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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.