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Finding the Fourth Proportional to 201,771.48, 302,656.40 and 61,529.70

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Solution

The fourth proportional to 201,771.48, 302,656.40 and 61,529.70 is: 92,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771.48 : 302,656.40 = 61,529.70 : x
  2. Step 2: Convert to fraction form
    201,771.48/302,656.40 = 61,529.70/x
  3. Step 3: Cross multiply
    201,771.48x = 302,656.40 × 61,529.70
  4. Step 4: Simplify right side
    201,771.48x = 18,622,357,495.08
  5. Step 5: Solve for x
    x = 18,622,357,495.08/201,771.48
  6. Step 6: Final answer
    x = 92,294.30

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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.