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Finding the Fourth Proportional to 133,055.60, 199,255.35 and 88,440.80

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Solution

The fourth proportional to 133,055.60, 199,255.35 and 88,440.80 is: 132,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.60 : 199,255.35 = 88,440.80 : x
  2. Step 2: Convert to fraction form
    133,055.60/199,255.35 = 88,440.80/x
  3. Step 3: Cross multiply
    133,055.60x = 199,255.35 × 88,440.80
  4. Step 4: Simplify right side
    133,055.60x = 17,622,302,558.28
  5. Step 5: Solve for x
    x = 17,622,302,558.28/133,055.60
  6. Step 6: Final answer
    x = 132,443.15

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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.