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Finding the Fourth Proportional to 253,281.53, 349,632.50 and 171,721.49

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Solution

The fourth proportional to 253,281.53, 349,632.50 and 171,721.49 is: 237,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,281.53 : 349,632.50 = 171,721.49 : x
  2. Step 2: Convert to fraction form
    253,281.53/349,632.50 = 171,721.49/x
  3. Step 3: Cross multiply
    253,281.53x = 349,632.50 × 171,721.49
  4. Step 4: Simplify right side
    253,281.53x = 60,039,413,212.34
  5. Step 5: Solve for x
    x = 60,039,413,212.34/253,281.53
  6. Step 6: Final answer
    x = 237,046.16

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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.