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Finding the Fourth Proportional to 201,999.49, 302,998.74 and 59,855.83

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Solution

The fourth proportional to 201,999.49, 302,998.74 and 59,855.83 is: 89,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,999.49 : 302,998.74 = 59,855.83 : x
  2. Step 2: Convert to fraction form
    201,999.49/302,998.74 = 59,855.83/x
  3. Step 3: Cross multiply
    201,999.49x = 302,998.74 × 59,855.83
  4. Step 4: Simplify right side
    201,999.49x = 18,136,241,071.65
  5. Step 5: Solve for x
    x = 18,136,241,071.65/201,999.49
  6. Step 6: Final answer
    x = 89,783.60

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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.