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Finding the Fourth Proportional to 227,316.48, 340,988.37 and 69,546.30

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Solution

The fourth proportional to 227,316.48, 340,988.37 and 69,546.30 is: 104,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,316.48 : 340,988.37 = 69,546.30 : x
  2. Step 2: Convert to fraction form
    227,316.48/340,988.37 = 69,546.30/x
  3. Step 3: Cross multiply
    227,316.48x = 340,988.37 × 69,546.30
  4. Step 4: Simplify right side
    227,316.48x = 23,714,477,423.86
  5. Step 5: Solve for x
    x = 23,714,477,423.86/227,316.48
  6. Step 6: Final answer
    x = 104,323.62

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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.