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Finding the Fourth Proportional to 272,141.10, 408,114.45 and 94,653.90

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Solution

The fourth proportional to 272,141.10, 408,114.45 and 94,653.90 is: 141,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,141.10 : 408,114.45 = 94,653.90 : x
  2. Step 2: Convert to fraction form
    272,141.10/408,114.45 = 94,653.90/x
  3. Step 3: Cross multiply
    272,141.10x = 408,114.45 × 94,653.90
  4. Step 4: Simplify right side
    272,141.10x = 38,629,624,338.86
  5. Step 5: Solve for x
    x = 38,629,624,338.86/272,141.10
  6. Step 6: Final answer
    x = 141,947.04

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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.