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Finding the Fourth Proportional to 243,596.96, 365,395.60 and 66,104

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Solution

The fourth proportional to 243,596.96, 365,395.60 and 66,104 is: 99,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,596.96 : 365,395.60 = 66,104 : x
  2. Step 2: Convert to fraction form
    243,596.96/365,395.60 = 66,104/x
  3. Step 3: Cross multiply
    243,596.96x = 365,395.60 × 66,104
  4. Step 4: Simplify right side
    243,596.96x = 24,154,110,742.40
  5. Step 5: Solve for x
    x = 24,154,110,742.40/243,596.96
  6. Step 6: Final answer
    x = 99,156.04

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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.