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Finding the Fourth Proportional to 146,783.60, 220,132.20 and 58,007.60

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Solution

The fourth proportional to 146,783.60, 220,132.20 and 58,007.60 is: 86,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.60 : 220,132.20 = 58,007.60 : x
  2. Step 2: Convert to fraction form
    146,783.60/220,132.20 = 58,007.60/x
  3. Step 3: Cross multiply
    146,783.60x = 220,132.20 × 58,007.60
  4. Step 4: Simplify right side
    146,783.60x = 12,769,340,604.72
  5. Step 5: Solve for x
    x = 12,769,340,604.72/146,783.60
  6. Step 6: Final answer
    x = 86,994.33

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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.