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Finding the Fourth Proportional to 262,594.32, 393,808.86 and 85,060.14

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Solution

The fourth proportional to 262,594.32, 393,808.86 and 85,060.14 is: 127,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,594.32 : 393,808.86 = 85,060.14 : x
  2. Step 2: Convert to fraction form
    262,594.32/393,808.86 = 85,060.14/x
  3. Step 3: Cross multiply
    262,594.32x = 393,808.86 × 85,060.14
  4. Step 4: Simplify right side
    262,594.32x = 33,497,436,764.84
  5. Step 5: Solve for x
    x = 33,497,436,764.84/262,594.32
  6. Step 6: Final answer
    x = 127,563.45

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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.