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Finding the Fourth Proportional to 238,989.48, 358,536.26 and 72,773.16

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Solution

The fourth proportional to 238,989.48, 358,536.26 and 72,773.16 is: 109,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,989.48 : 358,536.26 = 72,773.16 : x
  2. Step 2: Convert to fraction form
    238,989.48/358,536.26 = 72,773.16/x
  3. Step 3: Cross multiply
    238,989.48x = 358,536.26 × 72,773.16
  4. Step 4: Simplify right side
    238,989.48x = 26,091,816,614.78
  5. Step 5: Solve for x
    x = 26,091,816,614.78/238,989.48
  6. Step 6: Final answer
    x = 109,175.59

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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.