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Finding the Fourth Proportional to 284,987.99, 427,487.15 and 95,412.96

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Solution

The fourth proportional to 284,987.99, 427,487.15 and 95,412.96 is: 143,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,987.99 : 427,487.15 = 95,412.96 : x
  2. Step 2: Convert to fraction form
    284,987.99/427,487.15 = 95,412.96/x
  3. Step 3: Cross multiply
    284,987.99x = 427,487.15 × 95,412.96
  4. Step 4: Simplify right side
    284,987.99x = 40,787,814,582.00
  5. Step 5: Solve for x
    x = 40,787,814,582.00/284,987.99
  6. Step 6: Final answer
    x = 143,121.17

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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.