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Finding the Fourth Proportional to 271,369.70, 406,981.65 and 93,931.10

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Solution

The fourth proportional to 271,369.70, 406,981.65 and 93,931.10 is: 140,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,369.70 : 406,981.65 = 93,931.10 : x
  2. Step 2: Convert to fraction form
    271,369.70/406,981.65 = 93,931.10/x
  3. Step 3: Cross multiply
    271,369.70x = 406,981.65 × 93,931.10
  4. Step 4: Simplify right side
    271,369.70x = 38,228,234,064.32
  5. Step 5: Solve for x
    x = 38,228,234,064.32/271,369.70
  6. Step 6: Final answer
    x = 140,871.42

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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.