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Finding the Fourth Proportional to 201,629.60, 302,444.40 and 61,388.23

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Solution

The fourth proportional to 201,629.60, 302,444.40 and 61,388.23 is: 92,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,629.60 : 302,444.40 = 61,388.23 : x
  2. Step 2: Convert to fraction form
    201,629.60/302,444.40 = 61,388.23/x
  3. Step 3: Cross multiply
    201,629.60x = 302,444.40 × 61,388.23
  4. Step 4: Simplify right side
    201,629.60x = 18,566,526,389.41
  5. Step 5: Solve for x
    x = 18,566,526,389.41/201,629.60
  6. Step 6: Final answer
    x = 92,082.35

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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.