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Finding the Fourth Proportional to 253,601.63, 349,885.30 and 146,169.36

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Solution

The fourth proportional to 253,601.63, 349,885.30 and 146,169.36 is: 201,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,601.63 : 349,885.30 = 146,169.36 : x
  2. Step 2: Convert to fraction form
    253,601.63/349,885.30 = 146,169.36/x
  3. Step 3: Cross multiply
    253,601.63x = 349,885.30 × 146,169.36
  4. Step 4: Simplify right side
    253,601.63x = 51,142,509,871.95
  5. Step 5: Solve for x
    x = 51,142,509,871.95/253,601.63
  6. Step 6: Final answer
    x = 201,664.75

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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.