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Finding the Fourth Proportional to 170,044.40, 254,904.60 and 63,399.80

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Solution

The fourth proportional to 170,044.40, 254,904.60 and 63,399.80 is: 95,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,044.40 : 254,904.60 = 63,399.80 : x
  2. Step 2: Convert to fraction form
    170,044.40/254,904.60 = 63,399.80/x
  3. Step 3: Cross multiply
    170,044.40x = 254,904.60 × 63,399.80
  4. Step 4: Simplify right side
    170,044.40x = 16,160,900,659.08
  5. Step 5: Solve for x
    x = 16,160,900,659.08/170,044.40
  6. Step 6: Final answer
    x = 95,039.30

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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.