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Finding the Fourth Proportional to 190,073, 262,296.68 and 104,031.96

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Solution

The fourth proportional to 190,073, 262,296.68 and 104,031.96 is: 143,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,073 : 262,296.68 = 104,031.96 : x
  2. Step 2: Convert to fraction form
    190,073/262,296.68 = 104,031.96/x
  3. Step 3: Cross multiply
    190,073x = 262,296.68 × 104,031.96
  4. Step 4: Simplify right side
    190,073x = 27,287,237,721.89
  5. Step 5: Solve for x
    x = 27,287,237,721.89/190,073
  6. Step 6: Final answer
    x = 143,561.88

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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.