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Finding the Fourth Proportional to 74,170.52, 111,222 and 32,030.54

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Solution

The fourth proportional to 74,170.52, 111,222 and 32,030.54 is: 48,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,170.52 : 111,222 = 32,030.54 : x
  2. Step 2: Convert to fraction form
    74,170.52/111,222 = 32,030.54/x
  3. Step 3: Cross multiply
    74,170.52x = 111,222 × 32,030.54
  4. Step 4: Simplify right side
    74,170.52x = 3,562,500,719.88
  5. Step 5: Solve for x
    x = 3,562,500,719.88/74,170.52
  6. Step 6: Final answer
    x = 48,031.22

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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.