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Finding the Fourth Proportional to 134,843.60, 202,103.40 and 55,917.20

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Solution

The fourth proportional to 134,843.60, 202,103.40 and 55,917.20 is: 83,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.60 : 202,103.40 = 55,917.20 : x
  2. Step 2: Convert to fraction form
    134,843.60/202,103.40 = 55,917.20/x
  3. Step 3: Cross multiply
    134,843.60x = 202,103.40 × 55,917.20
  4. Step 4: Simplify right side
    134,843.60x = 11,301,056,238.48
  5. Step 5: Solve for x
    x = 11,301,056,238.48/134,843.60
  6. Step 6: Final answer
    x = 83,808.62

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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.