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Finding the Fourth Proportional to 240,048, 331,266.24 and 134,064

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Solution

The fourth proportional to 240,048, 331,266.24 and 134,064 is: 185,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,048 : 331,266.24 = 134,064 : x
  2. Step 2: Convert to fraction form
    240,048/331,266.24 = 134,064/x
  3. Step 3: Cross multiply
    240,048x = 331,266.24 × 134,064
  4. Step 4: Simplify right side
    240,048x = 44,410,877,199.36
  5. Step 5: Solve for x
    x = 44,410,877,199.36/240,048
  6. Step 6: Final answer
    x = 185,008.32

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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.