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Finding the Fourth Proportional to 164,574.40, 246,861.60 and 53,766.40

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Solution

The fourth proportional to 164,574.40, 246,861.60 and 53,766.40 is: 80,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,574.40 : 246,861.60 = 53,766.40 : x
  2. Step 2: Convert to fraction form
    164,574.40/246,861.60 = 53,766.40/x
  3. Step 3: Cross multiply
    164,574.40x = 246,861.60 × 53,766.40
  4. Step 4: Simplify right side
    164,574.40x = 13,272,859,530.24
  5. Step 5: Solve for x
    x = 13,272,859,530.24/164,574.40
  6. Step 6: Final answer
    x = 80,649.60

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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.