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Finding the Fourth Proportional to 114,398.25, 171,657.21 and 83,067.12

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Solution

The fourth proportional to 114,398.25, 171,657.21 and 83,067.12 is: 124,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,398.25 : 171,657.21 = 83,067.12 : x
  2. Step 2: Convert to fraction form
    114,398.25/171,657.21 = 83,067.12/x
  3. Step 3: Cross multiply
    114,398.25x = 171,657.21 × 83,067.12
  4. Step 4: Simplify right side
    114,398.25x = 14,259,070,061.94
  5. Step 5: Solve for x
    x = 14,259,070,061.94/114,398.25
  6. Step 6: Final answer
    x = 124,644.13

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1.5x scale

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.