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Finding the Fourth Proportional to 118,078.01, 177,092.10 and 43,233.20

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Solution

The fourth proportional to 118,078.01, 177,092.10 and 43,233.20 is: 64,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,078.01 : 177,092.10 = 43,233.20 : x
  2. Step 2: Convert to fraction form
    118,078.01/177,092.10 = 43,233.20/x
  3. Step 3: Cross multiply
    118,078.01x = 177,092.10 × 43,233.20
  4. Step 4: Simplify right side
    118,078.01x = 7,656,257,292.26
  5. Step 5: Solve for x
    x = 7,656,257,292.26/118,078.01
  6. Step 6: Final answer
    x = 64,840.67

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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.