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Finding the Fourth Proportional to 74,130, 111,206.52 and 24,893.52

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Solution

The fourth proportional to 74,130, 111,206.52 and 24,893.52 is: 37,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130 : 111,206.52 = 24,893.52 : x
  2. Step 2: Convert to fraction form
    74,130/111,206.52 = 24,893.52/x
  3. Step 3: Cross multiply
    74,130x = 111,206.52 × 24,893.52
  4. Step 4: Simplify right side
    74,130x = 2,768,321,729.75
  5. Step 5: Solve for x
    x = 2,768,321,729.75/74,130
  6. Step 6: Final answer
    x = 37,344.15

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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.