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Finding the Fourth Proportional to 201,504.70, 302,203.05 and 61,225.66

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Solution

The fourth proportional to 201,504.70, 302,203.05 and 61,225.66 is: 91,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,504.70 : 302,203.05 = 61,225.66 : x
  2. Step 2: Convert to fraction form
    201,504.70/302,203.05 = 61,225.66/x
  3. Step 3: Cross multiply
    201,504.70x = 302,203.05 × 61,225.66
  4. Step 4: Simplify right side
    201,504.70x = 18,502,581,190.26
  5. Step 5: Solve for x
    x = 18,502,581,190.26/201,504.70
  6. Step 6: Final answer
    x = 91,822.08

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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.