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Finding the Fourth Proportional to 118,263.66, 177,418.83 and 43,384.50

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Solution

The fourth proportional to 118,263.66, 177,418.83 and 43,384.50 is: 65,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.66 : 177,418.83 = 43,384.50 : x
  2. Step 2: Convert to fraction form
    118,263.66/177,418.83 = 43,384.50/x
  3. Step 3: Cross multiply
    118,263.66x = 177,418.83 × 43,384.50
  4. Step 4: Simplify right side
    118,263.66x = 7,697,227,230.14
  5. Step 5: Solve for x
    x = 7,697,227,230.14/118,263.66
  6. Step 6: Final answer
    x = 65,085.31

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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.