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Finding the Fourth Proportional to 405,592.93, 608,342.92 and 106,102.42

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Solution

The fourth proportional to 405,592.93, 608,342.92 and 106,102.42 is: 159,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,592.93 : 608,342.92 = 106,102.42 : x
  2. Step 2: Convert to fraction form
    405,592.93/608,342.92 = 106,102.42/x
  3. Step 3: Cross multiply
    405,592.93x = 608,342.92 × 106,102.42
  4. Step 4: Simplify right side
    405,592.93x = 64,546,652,960.15
  5. Step 5: Solve for x
    x = 64,546,652,960.15/405,592.93
  6. Step 6: Final answer
    x = 159,141.46

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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.