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Finding the Fourth Proportional to 146,116.60, 218,714.10 and 141,508.60

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Solution

The fourth proportional to 146,116.60, 218,714.10 and 141,508.60 is: 211,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,116.60 : 218,714.10 = 141,508.60 : x
  2. Step 2: Convert to fraction form
    146,116.60/218,714.10 = 141,508.60/x
  3. Step 3: Cross multiply
    146,116.60x = 218,714.10 × 141,508.60
  4. Step 4: Simplify right side
    146,116.60x = 30,949,926,091.26
  5. Step 5: Solve for x
    x = 30,949,926,091.26/146,116.60
  6. Step 6: Final answer
    x = 211,816.63

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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.