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Finding the Fourth Proportional to 201,372.03, 302,064.80 and 61,130.25

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Solution

The fourth proportional to 201,372.03, 302,064.80 and 61,130.25 is: 91,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,372.03 : 302,064.80 = 61,130.25 : x
  2. Step 2: Convert to fraction form
    201,372.03/302,064.80 = 61,130.25/x
  3. Step 3: Cross multiply
    201,372.03x = 302,064.80 × 61,130.25
  4. Step 4: Simplify right side
    201,372.03x = 18,465,296,434.55
  5. Step 5: Solve for x
    x = 18,465,296,434.55/201,372.03
  6. Step 6: Final answer
    x = 91,697.42

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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.