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Finding the Fourth Proportional to 84,711.40, 127,067.10 and 32,118.10

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Solution

The fourth proportional to 84,711.40, 127,067.10 and 32,118.10 is: 48,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,711.40 : 127,067.10 = 32,118.10 : x
  2. Step 2: Convert to fraction form
    84,711.40/127,067.10 = 32,118.10/x
  3. Step 3: Cross multiply
    84,711.40x = 127,067.10 × 32,118.10
  4. Step 4: Simplify right side
    84,711.40x = 4,081,153,824.51
  5. Step 5: Solve for x
    x = 4,081,153,824.51/84,711.40
  6. Step 6: Final answer
    x = 48,177.15

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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.