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Finding the Fourth Proportional to 268,466.27, 402,447.90 and 90,848.93

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Solution

The fourth proportional to 268,466.27, 402,447.90 and 90,848.93 is: 136,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,466.27 : 402,447.90 = 90,848.93 : x
  2. Step 2: Convert to fraction form
    268,466.27/402,447.90 = 90,848.93/x
  3. Step 3: Cross multiply
    268,466.27x = 402,447.90 × 90,848.93
  4. Step 4: Simplify right side
    268,466.27x = 36,561,961,095.75
  5. Step 5: Solve for x
    x = 36,561,961,095.75/268,466.27
  6. Step 6: Final answer
    x = 136,188.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.