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Finding the Fourth Proportional to 181,707.42, 250,541.64 and 124,374.42

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Solution

The fourth proportional to 181,707.42, 250,541.64 and 124,374.42 is: 171,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,707.42 : 250,541.64 = 124,374.42 : x
  2. Step 2: Convert to fraction form
    181,707.42/250,541.64 = 124,374.42/x
  3. Step 3: Cross multiply
    181,707.42x = 250,541.64 × 124,374.42
  4. Step 4: Simplify right side
    181,707.42x = 31,160,971,160.85
  5. Step 5: Solve for x
    x = 31,160,971,160.85/181,707.42
  6. Step 6: Final answer
    x = 171,489.81

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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.