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Finding the Fourth Proportional to 127,053, 190,481.08 and 73,662.86

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Solution

The fourth proportional to 127,053, 190,481.08 and 73,662.86 is: 110,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,053 : 190,481.08 = 73,662.86 : x
  2. Step 2: Convert to fraction form
    127,053/190,481.08 = 73,662.86/x
  3. Step 3: Cross multiply
    127,053x = 190,481.08 × 73,662.86
  4. Step 4: Simplify right side
    127,053x = 14,031,381,128.69
  5. Step 5: Solve for x
    x = 14,031,381,128.69/127,053
  6. Step 6: Final answer
    x = 110,437.23

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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.