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Finding the Fourth Proportional to 226,875.48, 340,362.42 and 69,099.80

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Solution

The fourth proportional to 226,875.48, 340,362.42 and 69,099.80 is: 103,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,875.48 : 340,362.42 = 69,099.80 : x
  2. Step 2: Convert to fraction form
    226,875.48/340,362.42 = 69,099.80/x
  3. Step 3: Cross multiply
    226,875.48x = 340,362.42 × 69,099.80
  4. Step 4: Simplify right side
    226,875.48x = 23,518,975,149.52
  5. Step 5: Solve for x
    x = 23,518,975,149.52/226,875.48
  6. Step 6: Final answer
    x = 103,664.68

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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.