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Finding the Fourth Proportional to 118,501.77, 177,735.18 and 43,604.52

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Solution

The fourth proportional to 118,501.77, 177,735.18 and 43,604.52 is: 65,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,501.77 : 177,735.18 = 43,604.52 : x
  2. Step 2: Convert to fraction form
    118,501.77/177,735.18 = 43,604.52/x
  3. Step 3: Cross multiply
    118,501.77x = 177,735.18 × 43,604.52
  4. Step 4: Simplify right side
    118,501.77x = 7,750,057,211.01
  5. Step 5: Solve for x
    x = 7,750,057,211.01/118,501.77
  6. Step 6: Final answer
    x = 65,400.35

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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.