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Finding the Fourth Proportional to 262,560.51, 393,821.64 and 102,606.48

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Solution

The fourth proportional to 262,560.51, 393,821.64 and 102,606.48 is: 153,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,560.51 : 393,821.64 = 102,606.48 : x
  2. Step 2: Convert to fraction form
    262,560.51/393,821.64 = 102,606.48/x
  3. Step 3: Cross multiply
    262,560.51x = 393,821.64 × 102,606.48
  4. Step 4: Simplify right side
    262,560.51x = 40,408,652,228.23
  5. Step 5: Solve for x
    x = 40,408,652,228.23/262,560.51
  6. Step 6: Final answer
    x = 153,902.25

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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.