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Finding the Fourth Proportional to 114,272.48, 171,473.52 and 61,680.80

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Solution

The fourth proportional to 114,272.48, 171,473.52 and 61,680.80 is: 92,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,272.48 : 171,473.52 = 61,680.80 : x
  2. Step 2: Convert to fraction form
    114,272.48/171,473.52 = 61,680.80/x
  3. Step 3: Cross multiply
    114,272.48x = 171,473.52 × 61,680.80
  4. Step 4: Simplify right side
    114,272.48x = 10,576,623,892.42
  5. Step 5: Solve for x
    x = 10,576,623,892.42/114,272.48
  6. Step 6: Final answer
    x = 92,556.18

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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.