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Finding the Fourth Proportional to 70,618.53, 105,837.74 and 33,095.84

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Solution

The fourth proportional to 70,618.53, 105,837.74 and 33,095.84 is: 49,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.53 : 105,837.74 = 33,095.84 : x
  2. Step 2: Convert to fraction form
    70,618.53/105,837.74 = 33,095.84/x
  3. Step 3: Cross multiply
    70,618.53x = 105,837.74 × 33,095.84
  4. Step 4: Simplify right side
    70,618.53x = 3,502,788,933.78
  5. Step 5: Solve for x
    x = 3,502,788,933.78/70,618.53
  6. Step 6: Final answer
    x = 49,601.55

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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.