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Finding the Fourth Proportional to 69,203.43, 103,739.54 and 22,423.50

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Solution

The fourth proportional to 69,203.43, 103,739.54 and 22,423.50 is: 33,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.43 : 103,739.54 = 22,423.50 : x
  2. Step 2: Convert to fraction form
    69,203.43/103,739.54 = 22,423.50/x
  3. Step 3: Cross multiply
    69,203.43x = 103,739.54 × 22,423.50
  4. Step 4: Simplify right side
    69,203.43x = 2,326,203,463.07
  5. Step 5: Solve for x
    x = 2,326,203,463.07/69,203.43
  6. Step 6: Final answer
    x = 33,613.99

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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.