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Finding the Fourth Proportional to 243,793.60, 365,690.40 and 164,077.45

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Solution

The fourth proportional to 243,793.60, 365,690.40 and 164,077.45 is: 246,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,793.60 : 365,690.40 = 164,077.45 : x
  2. Step 2: Convert to fraction form
    243,793.60/365,690.40 = 164,077.45/x
  3. Step 3: Cross multiply
    243,793.60x = 365,690.40 × 164,077.45
  4. Step 4: Simplify right side
    243,793.60x = 60,001,548,321.48
  5. Step 5: Solve for x
    x = 60,001,548,321.48/243,793.60
  6. Step 6: Final answer
    x = 246,116.18

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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.