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Finding the Fourth Proportional to 272,554.76, 408,846.28 and 83,000.48

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Solution

The fourth proportional to 272,554.76, 408,846.28 and 83,000.48 is: 124,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,554.76 : 408,846.28 = 83,000.48 : x
  2. Step 2: Convert to fraction form
    272,554.76/408,846.28 = 83,000.48/x
  3. Step 3: Cross multiply
    272,554.76x = 408,846.28 × 83,000.48
  4. Step 4: Simplify right side
    272,554.76x = 33,934,437,486.21
  5. Step 5: Solve for x
    x = 33,934,437,486.21/272,554.76
  6. Step 6: Final answer
    x = 124,505.03

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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.