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Finding the Fourth Proportional to 271,702.25, 407,422.29 and 113,888.33

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Solution

The fourth proportional to 271,702.25, 407,422.29 and 113,888.33 is: 170,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,702.25 : 407,422.29 = 113,888.33 : x
  2. Step 2: Convert to fraction form
    271,702.25/407,422.29 = 113,888.33/x
  3. Step 3: Cross multiply
    271,702.25x = 407,422.29 × 113,888.33
  4. Step 4: Simplify right side
    271,702.25x = 46,400,643,490.06
  5. Step 5: Solve for x
    x = 46,400,643,490.06/271,702.25
  6. Step 6: Final answer
    x = 170,777.55

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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.