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Finding the Fourth Proportional to 201,355.40, 302,034.90 and 61,114.02

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Solution

The fourth proportional to 201,355.40, 302,034.90 and 61,114.02 is: 91,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,355.40 : 302,034.90 = 61,114.02 : x
  2. Step 2: Convert to fraction form
    201,355.40/302,034.90 = 61,114.02/x
  3. Step 3: Cross multiply
    201,355.40x = 302,034.90 × 61,114.02
  4. Step 4: Simplify right side
    201,355.40x = 18,458,566,919.30
  5. Step 5: Solve for x
    x = 18,458,566,919.30/201,355.40
  6. Step 6: Final answer
    x = 91,671.58

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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.