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Finding the Fourth Proportional to 164,440, 246,660 and 53,632

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Solution

The fourth proportional to 164,440, 246,660 and 53,632 is: 80,448

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,440 : 246,660 = 53,632 : x
  2. Step 2: Convert to fraction form
    164,440/246,660 = 53,632/x
  3. Step 3: Cross multiply
    164,440x = 246,660 × 53,632
  4. Step 4: Simplify right side
    164,440x = 13,228,869,120
  5. Step 5: Solve for x
    x = 13,228,869,120/164,440
  6. Step 6: Final answer
    x = 80,448

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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.