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Finding the Fourth Proportional to 271,387.76, 407,118.66 and 93,847.08

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Solution

The fourth proportional to 271,387.76, 407,118.66 and 93,847.08 is: 140,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,387.76 : 407,118.66 = 93,847.08 : x
  2. Step 2: Convert to fraction form
    271,387.76/407,118.66 = 93,847.08/x
  3. Step 3: Cross multiply
    271,387.76x = 407,118.66 × 93,847.08
  4. Step 4: Simplify right side
    271,387.76x = 38,206,897,454.51
  5. Step 5: Solve for x
    x = 38,206,897,454.51/271,387.76
  6. Step 6: Final answer
    x = 140,783.42

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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.