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Finding the Fourth Proportional to 136,003.80, 204,005.70 and 134,691.60

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Solution

The fourth proportional to 136,003.80, 204,005.70 and 134,691.60 is: 202,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,003.80 : 204,005.70 = 134,691.60 : x
  2. Step 2: Convert to fraction form
    136,003.80/204,005.70 = 134,691.60/x
  3. Step 3: Cross multiply
    136,003.80x = 204,005.70 × 134,691.60
  4. Step 4: Simplify right side
    136,003.80x = 27,477,854,142.12
  5. Step 5: Solve for x
    x = 27,477,854,142.12/136,003.80
  6. Step 6: Final answer
    x = 202,037.40

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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.