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Finding the Fourth Proportional to 181,268.70, 271,637.45 and 162,548.70

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Solution

The fourth proportional to 181,268.70, 271,637.45 and 162,548.70 is: 243,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,268.70 : 271,637.45 = 162,548.70 : x
  2. Step 2: Convert to fraction form
    181,268.70/271,637.45 = 162,548.70/x
  3. Step 3: Cross multiply
    181,268.70x = 271,637.45 × 162,548.70
  4. Step 4: Simplify right side
    181,268.70x = 44,154,314,368.82
  5. Step 5: Solve for x
    x = 44,154,314,368.82/181,268.70
  6. Step 6: Final answer
    x = 243,584.88

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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.