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Finding the Fourth Proportional to 272,053.80, 408,080.70 and 124,597.80

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Solution

The fourth proportional to 272,053.80, 408,080.70 and 124,597.80 is: 186,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,053.80 : 408,080.70 = 124,597.80 : x
  2. Step 2: Convert to fraction form
    272,053.80/408,080.70 = 124,597.80/x
  3. Step 3: Cross multiply
    272,053.80x = 408,080.70 × 124,597.80
  4. Step 4: Simplify right side
    272,053.80x = 50,845,957,442.46
  5. Step 5: Solve for x
    x = 50,845,957,442.46/272,053.80
  6. Step 6: Final answer
    x = 186,896.70

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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.