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Finding the Fourth Proportional to 134,203.52, 185,200.68 and 73,778

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Solution

The fourth proportional to 134,203.52, 185,200.68 and 73,778 is: 101,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,203.52 : 185,200.68 = 73,778 : x
  2. Step 2: Convert to fraction form
    134,203.52/185,200.68 = 73,778/x
  3. Step 3: Cross multiply
    134,203.52x = 185,200.68 × 73,778
  4. Step 4: Simplify right side
    134,203.52x = 13,663,735,769.04
  5. Step 5: Solve for x
    x = 13,663,735,769.04/134,203.52
  6. Step 6: Final answer
    x = 101,813.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.