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Finding the Fourth Proportional to 243,389.24, 365,118.48 and 74,923.62

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Solution

The fourth proportional to 243,389.24, 365,118.48 and 74,923.62 is: 112,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,389.24 : 365,118.48 = 74,923.62 : x
  2. Step 2: Convert to fraction form
    243,389.24/365,118.48 = 74,923.62/x
  3. Step 3: Cross multiply
    243,389.24x = 365,118.48 × 74,923.62
  4. Step 4: Simplify right side
    243,389.24x = 27,355,998,250.50
  5. Step 5: Solve for x
    x = 27,355,998,250.50/243,389.24
  6. Step 6: Final answer
    x = 112,396.09

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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.