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Finding the Fourth Proportional to 172,487.44, 237,954 and 124,665.04

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Solution

The fourth proportional to 172,487.44, 237,954 and 124,665.04 is: 171,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,487.44 : 237,954 = 124,665.04 : x
  2. Step 2: Convert to fraction form
    172,487.44/237,954 = 124,665.04/x
  3. Step 3: Cross multiply
    172,487.44x = 237,954 × 124,665.04
  4. Step 4: Simplify right side
    172,487.44x = 29,664,544,928.16
  5. Step 5: Solve for x
    x = 29,664,544,928.16/172,487.44
  6. Step 6: Final answer
    x = 171,980.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.