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Finding the Fourth Proportional to 164,089.40, 246,121.30 and 64,230.20

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Solution

The fourth proportional to 164,089.40, 246,121.30 and 64,230.20 is: 96,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,089.40 : 246,121.30 = 64,230.20 : x
  2. Step 2: Convert to fraction form
    164,089.40/246,121.30 = 64,230.20/x
  3. Step 3: Cross multiply
    164,089.40x = 246,121.30 × 64,230.20
  4. Step 4: Simplify right side
    164,089.40x = 15,808,420,323.26
  5. Step 5: Solve for x
    x = 15,808,420,323.26/164,089.40
  6. Step 6: Final answer
    x = 96,340.29

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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.