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Finding the Fourth Proportional to 113,999.63, 171,000.05 and 30,893.63

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Solution

The fourth proportional to 113,999.63, 171,000.05 and 30,893.63 is: 46,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.63 : 171,000.05 = 30,893.63 : x
  2. Step 2: Convert to fraction form
    113,999.63/171,000.05 = 30,893.63/x
  3. Step 3: Cross multiply
    113,999.63x = 171,000.05 × 30,893.63
  4. Step 4: Simplify right side
    113,999.63x = 5,282,811,265.21
  5. Step 5: Solve for x
    x = 5,282,811,265.21/113,999.63
  6. Step 6: Final answer
    x = 46,340.60

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1.5x scale

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.