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Finding the Fourth Proportional to 118,487.48, 177,725.74 and 29,739.02

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Solution

The fourth proportional to 118,487.48, 177,725.74 and 29,739.02 is: 44,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,487.48 : 177,725.74 = 29,739.02 : x
  2. Step 2: Convert to fraction form
    118,487.48/177,725.74 = 29,739.02/x
  3. Step 3: Cross multiply
    118,487.48x = 177,725.74 × 29,739.02
  4. Step 4: Simplify right side
    118,487.48x = 5,285,389,336.37
  5. Step 5: Solve for x
    x = 5,285,389,336.37/118,487.48
  6. Step 6: Final answer
    x = 44,607.15

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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.