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Finding the Fourth Proportional to 150,235.70, 207,252.34 and 99,268.34

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Solution

The fourth proportional to 150,235.70, 207,252.34 and 99,268.34 is: 136,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,235.70 : 207,252.34 = 99,268.34 : x
  2. Step 2: Convert to fraction form
    150,235.70/207,252.34 = 99,268.34/x
  3. Step 3: Cross multiply
    150,235.70x = 207,252.34 × 99,268.34
  4. Step 4: Simplify right side
    150,235.70x = 20,573,594,468.48
  5. Step 5: Solve for x
    x = 20,573,594,468.48/150,235.70
  6. Step 6: Final answer
    x = 136,942.12

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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.