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Finding the Fourth Proportional to 164,411.60, 246,732.60 and 70,984.40

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Solution

The fourth proportional to 164,411.60, 246,732.60 and 70,984.40 is: 106,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,411.60 : 246,732.60 = 70,984.40 : x
  2. Step 2: Convert to fraction form
    164,411.60/246,732.60 = 70,984.40/x
  3. Step 3: Cross multiply
    164,411.60x = 246,732.60 × 70,984.40
  4. Step 4: Simplify right side
    164,411.60x = 17,514,165,571.44
  5. Step 5: Solve for x
    x = 17,514,165,571.44/164,411.60
  6. Step 6: Final answer
    x = 106,526.34

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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.