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Finding the Fourth Proportional to 227,176.94, 340,328.28 and 127,033.40

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Solution

The fourth proportional to 227,176.94, 340,328.28 and 127,033.40 is: 190,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,176.94 : 340,328.28 = 127,033.40 : x
  2. Step 2: Convert to fraction form
    227,176.94/340,328.28 = 127,033.40/x
  3. Step 3: Cross multiply
    227,176.94x = 340,328.28 × 127,033.40
  4. Step 4: Simplify right side
    227,176.94x = 43,233,059,851.75
  5. Step 5: Solve for x
    x = 43,233,059,851.75/227,176.94
  6. Step 6: Final answer
    x = 190,305.67

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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.