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Finding the Fourth Proportional to 146,811.60, 206,002.80 and 146,811.60

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Solution

The fourth proportional to 146,811.60, 206,002.80 and 146,811.60 is: 206,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.60 : 206,002.80 = 146,811.60 : x
  2. Step 2: Convert to fraction form
    146,811.60/206,002.80 = 146,811.60/x
  3. Step 3: Cross multiply
    146,811.60x = 206,002.80 × 146,811.60
  4. Step 4: Simplify right side
    146,811.60x = 30,243,600,672.48
  5. Step 5: Solve for x
    x = 30,243,600,672.48/146,811.60
  6. Step 6: Final answer
    x = 206,002.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.