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Finding the Fourth Proportional to 150,460.49, 207,641.84 and 85,940.34

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Solution

The fourth proportional to 150,460.49, 207,641.84 and 85,940.34 is: 118,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,460.49 : 207,641.84 = 85,940.34 : x
  2. Step 2: Convert to fraction form
    150,460.49/207,641.84 = 85,940.34/x
  3. Step 3: Cross multiply
    150,460.49x = 207,641.84 × 85,940.34
  4. Step 4: Simplify right side
    150,460.49x = 17,844,810,327.83
  5. Step 5: Solve for x
    x = 17,844,810,327.83/150,460.49
  6. Step 6: Final answer
    x = 118,601.30

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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.