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Finding the Fourth Proportional to 149,453.55, 205,826.00 and 146,187.63

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Solution

The fourth proportional to 149,453.55, 205,826.00 and 146,187.63 is: 201,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,453.55 : 205,826.00 = 146,187.63 : x
  2. Step 2: Convert to fraction form
    149,453.55/205,826.00 = 146,187.63/x
  3. Step 3: Cross multiply
    149,453.55x = 205,826.00 × 146,187.63
  4. Step 4: Simplify right side
    149,453.55x = 30,089,214,401.44
  5. Step 5: Solve for x
    x = 30,089,214,401.44/149,453.55
  6. Step 6: Final answer
    x = 201,328.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.