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Finding the Fourth Proportional to 245,651.68, 367,887.01 and 140,150.80

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Solution

The fourth proportional to 245,651.68, 367,887.01 and 140,150.80 is: 209,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,651.68 : 367,887.01 = 140,150.80 : x
  2. Step 2: Convert to fraction form
    245,651.68/367,887.01 = 140,150.80/x
  3. Step 3: Cross multiply
    245,651.68x = 367,887.01 × 140,150.80
  4. Step 4: Simplify right side
    245,651.68x = 51,559,658,761.11
  5. Step 5: Solve for x
    x = 51,559,658,761.11/245,651.68
  6. Step 6: Final answer
    x = 209,889.30

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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.