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Finding the Fourth Proportional to 233,103.56, 349,646.34 and 66,891.56

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Solution

The fourth proportional to 233,103.56, 349,646.34 and 66,891.56 is: 100,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,103.56 : 349,646.34 = 66,891.56 : x
  2. Step 2: Convert to fraction form
    233,103.56/349,646.34 = 66,891.56/x
  3. Step 3: Cross multiply
    233,103.56x = 349,646.34 × 66,891.56
  4. Step 4: Simplify right side
    233,103.56x = 23,388,389,130.89
  5. Step 5: Solve for x
    x = 23,388,389,130.89/233,103.56
  6. Step 6: Final answer
    x = 100,334.76

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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.