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Finding the Fourth Proportional to 234,983.89, 352,482.74 and 57,490.91

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Solution

The fourth proportional to 234,983.89, 352,482.74 and 57,490.91 is: 86,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,983.89 : 352,482.74 = 57,490.91 : x
  2. Step 2: Convert to fraction form
    234,983.89/352,482.74 = 57,490.91/x
  3. Step 3: Cross multiply
    234,983.89x = 352,482.74 × 57,490.91
  4. Step 4: Simplify right side
    234,983.89x = 20,264,554,952.14
  5. Step 5: Solve for x
    x = 20,264,554,952.14/234,983.89
  6. Step 6: Final answer
    x = 86,238.06

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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.