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Finding the Fourth Proportional to 118,538.08, 177,824.80 and 43,652.46

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Solution

The fourth proportional to 118,538.08, 177,824.80 and 43,652.46 is: 65,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.08 : 177,824.80 = 43,652.46 : x
  2. Step 2: Convert to fraction form
    118,538.08/177,824.80 = 43,652.46/x
  3. Step 3: Cross multiply
    118,538.08x = 177,824.80 × 43,652.46
  4. Step 4: Simplify right side
    118,538.08x = 7,762,489,969.01
  5. Step 5: Solve for x
    x = 7,762,489,969.01/118,538.08
  6. Step 6: Final answer
    x = 65,485.20

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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.