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Finding the Fourth Proportional to 131,073.60, 196,610.40 and 36,303.60

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Solution

The fourth proportional to 131,073.60, 196,610.40 and 36,303.60 is: 54,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,073.60 : 196,610.40 = 36,303.60 : x
  2. Step 2: Convert to fraction form
    131,073.60/196,610.40 = 36,303.60/x
  3. Step 3: Cross multiply
    131,073.60x = 196,610.40 × 36,303.60
  4. Step 4: Simplify right side
    131,073.60x = 7,137,665,317.44
  5. Step 5: Solve for x
    x = 7,137,665,317.44/131,073.60
  6. Step 6: Final answer
    x = 54,455.40

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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.