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Finding the Fourth Proportional to 158,522.88, 237,887.34 and 68,653.36

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Solution

The fourth proportional to 158,522.88, 237,887.34 and 68,653.36 is: 103,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,522.88 : 237,887.34 = 68,653.36 : x
  2. Step 2: Convert to fraction form
    158,522.88/237,887.34 = 68,653.36/x
  3. Step 3: Cross multiply
    158,522.88x = 237,887.34 × 68,653.36
  4. Step 4: Simplify right side
    158,522.88x = 16,331,765,192.46
  5. Step 5: Solve for x
    x = 16,331,765,192.46/158,522.88
  6. Step 6: Final answer
    x = 103,024.66

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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.