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Finding the Fourth Proportional to 130,998.60, 196,497.90 and 36,228.60

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Solution

The fourth proportional to 130,998.60, 196,497.90 and 36,228.60 is: 54,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,998.60 : 196,497.90 = 36,228.60 : x
  2. Step 2: Convert to fraction form
    130,998.60/196,497.90 = 36,228.60/x
  3. Step 3: Cross multiply
    130,998.60x = 196,497.90 × 36,228.60
  4. Step 4: Simplify right side
    130,998.60x = 7,118,843,819.94
  5. Step 5: Solve for x
    x = 7,118,843,819.94/130,998.60
  6. Step 6: Final answer
    x = 54,342.90

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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.