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Finding the Fourth Proportional to 238,291.53, 356,892.91 and 113,720.01

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Solution

The fourth proportional to 238,291.53, 356,892.91 and 113,720.01 is: 170,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,291.53 : 356,892.91 = 113,720.01 : x
  2. Step 2: Convert to fraction form
    238,291.53/356,892.91 = 113,720.01/x
  3. Step 3: Cross multiply
    238,291.53x = 356,892.91 × 113,720.01
  4. Step 4: Simplify right side
    238,291.53x = 40,585,865,294.13
  5. Step 5: Solve for x
    x = 40,585,865,294.13/238,291.53
  6. Step 6: Final answer
    x = 170,320.22

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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.