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Finding the Fourth Proportional to 253,166.73, 349,052.54 and 162,362.49

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Solution

The fourth proportional to 253,166.73, 349,052.54 and 162,362.49 is: 223,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,166.73 : 349,052.54 = 162,362.49 : x
  2. Step 2: Convert to fraction form
    253,166.73/349,052.54 = 162,362.49/x
  3. Step 3: Cross multiply
    253,166.73x = 349,052.54 × 162,362.49
  4. Step 4: Simplify right side
    253,166.73x = 56,673,038,723.41
  5. Step 5: Solve for x
    x = 56,673,038,723.41/253,166.73
  6. Step 6: Final answer
    x = 223,856.58

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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.