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Finding the Fourth Proportional to 268,436.66, 370,406.68 and 166,424.94

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Solution

The fourth proportional to 268,436.66, 370,406.68 and 166,424.94 is: 229,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,436.66 : 370,406.68 = 166,424.94 : x
  2. Step 2: Convert to fraction form
    268,436.66/370,406.68 = 166,424.94/x
  3. Step 3: Cross multiply
    268,436.66x = 370,406.68 × 166,424.94
  4. Step 4: Simplify right side
    268,436.66x = 61,644,909,494.60
  5. Step 5: Solve for x
    x = 61,644,909,494.60/268,436.66
  6. Step 6: Final answer
    x = 229,644.15

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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.