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Finding the Fourth Proportional to 243,487.89, 365,231.83 and 65,994.90

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Solution

The fourth proportional to 243,487.89, 365,231.83 and 65,994.90 is: 98,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,487.89 : 365,231.83 = 65,994.90 : x
  2. Step 2: Convert to fraction form
    243,487.89/365,231.83 = 65,994.90/x
  3. Step 3: Cross multiply
    243,487.89x = 365,231.83 × 65,994.90
  4. Step 4: Simplify right side
    243,487.89x = 24,103,438,097.67
  5. Step 5: Solve for x
    x = 24,103,438,097.67/243,487.89
  6. Step 6: Final answer
    x = 98,992.35

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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.