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Finding the Fourth Proportional to 274,053.08, 411,079.80 and 74,373.50

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Solution

The fourth proportional to 274,053.08, 411,079.80 and 74,373.50 is: 111,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,053.08 : 411,079.80 = 74,373.50 : x
  2. Step 2: Convert to fraction form
    274,053.08/411,079.80 = 74,373.50/x
  3. Step 3: Cross multiply
    274,053.08x = 411,079.80 × 74,373.50
  4. Step 4: Simplify right side
    274,053.08x = 30,573,443,505.30
  5. Step 5: Solve for x
    x = 30,573,443,505.30/274,053.08
  6. Step 6: Final answer
    x = 111,560.30

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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.