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Finding the Fourth Proportional to 268,993.02, 371,462.31 and 168,565.98

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Solution

The fourth proportional to 268,993.02, 371,462.31 and 168,565.98 is: 232,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,993.02 : 371,462.31 = 168,565.98 : x
  2. Step 2: Convert to fraction form
    268,993.02/371,462.31 = 168,565.98/x
  3. Step 3: Cross multiply
    268,993.02x = 371,462.31 × 168,565.98
  4. Step 4: Simplify right side
    268,993.02x = 62,615,908,318.21
  5. Step 5: Solve for x
    x = 62,615,908,318.21/268,993.02
  6. Step 6: Final answer
    x = 232,778.93

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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.