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Finding the Fourth Proportional to 243,765.60, 365,648.40 and 164,049.45

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Solution

The fourth proportional to 243,765.60, 365,648.40 and 164,049.45 is: 246,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,765.60 : 365,648.40 = 164,049.45 : x
  2. Step 2: Convert to fraction form
    243,765.60/365,648.40 = 164,049.45/x
  3. Step 3: Cross multiply
    243,765.60x = 365,648.40 × 164,049.45
  4. Step 4: Simplify right side
    243,765.60x = 59,984,418,913.38
  5. Step 5: Solve for x
    x = 59,984,418,913.38/243,765.60
  6. Step 6: Final answer
    x = 246,074.18

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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.