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Finding the Fourth Proportional to 253,505.80, 349,976.58 and 173,053.24

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Solution

The fourth proportional to 253,505.80, 349,976.58 and 173,053.24 is: 238,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,505.80 : 349,976.58 = 173,053.24 : x
  2. Step 2: Convert to fraction form
    253,505.80/349,976.58 = 173,053.24/x
  3. Step 3: Cross multiply
    253,505.80x = 349,976.58 × 173,053.24
  4. Step 4: Simplify right side
    253,505.80x = 60,564,581,093.12
  5. Step 5: Solve for x
    x = 60,564,581,093.12/253,505.80
  6. Step 6: Final answer
    x = 238,908.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.