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Finding the Fourth Proportional to 164,237.80, 246,356.70 and 53,429.80

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Solution

The fourth proportional to 164,237.80, 246,356.70 and 53,429.80 is: 80,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,237.80 : 246,356.70 = 53,429.80 : x
  2. Step 2: Convert to fraction form
    164,237.80/246,356.70 = 53,429.80/x
  3. Step 3: Cross multiply
    164,237.80x = 246,356.70 × 53,429.80
  4. Step 4: Simplify right side
    164,237.80x = 13,162,789,209.66
  5. Step 5: Solve for x
    x = 13,162,789,209.66/164,237.80
  6. Step 6: Final answer
    x = 80,144.70

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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.