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Finding the Fourth Proportional to 243,521.44, 365,281.25 and 66,027.96

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Solution

The fourth proportional to 243,521.44, 365,281.25 and 66,027.96 is: 99,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,521.44 : 365,281.25 = 66,027.96 : x
  2. Step 2: Convert to fraction form
    243,521.44/365,281.25 = 66,027.96/x
  3. Step 3: Cross multiply
    243,521.44x = 365,281.25 × 66,027.96
  4. Step 4: Simplify right side
    243,521.44x = 24,118,775,433.61
  5. Step 5: Solve for x
    x = 24,118,775,433.61/243,521.44
  6. Step 6: Final answer
    x = 99,041.69

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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.