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Finding the Fourth Proportional to 93,638.22, 140,471.34 and 34,469.40

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Solution

The fourth proportional to 93,638.22, 140,471.34 and 34,469.40 is: 51,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.22 : 140,471.34 = 34,469.40 : x
  2. Step 2: Convert to fraction form
    93,638.22/140,471.34 = 34,469.40/x
  3. Step 3: Cross multiply
    93,638.22x = 140,471.34 × 34,469.40
  4. Step 4: Simplify right side
    93,638.22x = 4,841,962,807.00
  5. Step 5: Solve for x
    x = 4,841,962,807.00/93,638.22
  6. Step 6: Final answer
    x = 51,709.26

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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.