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Finding the Fourth Proportional to 271,484.40, 407,129.04 and 93,943.20

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Solution

The fourth proportional to 271,484.40, 407,129.04 and 93,943.20 is: 140,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,484.40 : 407,129.04 = 93,943.20 : x
  2. Step 2: Convert to fraction form
    271,484.40/407,129.04 = 93,943.20/x
  3. Step 3: Cross multiply
    271,484.40x = 407,129.04 × 93,943.20
  4. Step 4: Simplify right side
    271,484.40x = 38,247,004,830.53
  5. Step 5: Solve for x
    x = 38,247,004,830.53/271,484.40
  6. Step 6: Final answer
    x = 140,881.04

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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.