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Finding the Fourth Proportional to 239,852.96, 359,713.75 and 90,081.66

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Solution

The fourth proportional to 239,852.96, 359,713.75 and 90,081.66 is: 135,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,852.96 : 359,713.75 = 90,081.66 : x
  2. Step 2: Convert to fraction form
    239,852.96/359,713.75 = 90,081.66/x
  3. Step 3: Cross multiply
    239,852.96x = 359,713.75 × 90,081.66
  4. Step 4: Simplify right side
    239,852.96x = 32,403,611,724.83
  5. Step 5: Solve for x
    x = 32,403,611,724.83/239,852.96
  6. Step 6: Final answer
    x = 135,097.82

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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.