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Finding the Fourth Proportional to 175,903.60, 263,466.60 and 136,148.80

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Solution

The fourth proportional to 175,903.60, 263,466.60 and 136,148.80 is: 203,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,903.60 : 263,466.60 = 136,148.80 : x
  2. Step 2: Convert to fraction form
    175,903.60/263,466.60 = 136,148.80/x
  3. Step 3: Cross multiply
    175,903.60x = 263,466.60 × 136,148.80
  4. Step 4: Simplify right side
    175,903.60x = 35,870,661,430.08
  5. Step 5: Solve for x
    x = 35,870,661,430.08/175,903.60
  6. Step 6: Final answer
    x = 203,922.27

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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.