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Finding the Fourth Proportional to 91,467.60, 137,201.40 and 60,295.56

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Solution

The fourth proportional to 91,467.60, 137,201.40 and 60,295.56 is: 90,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,467.60 : 137,201.40 = 60,295.56 : x
  2. Step 2: Convert to fraction form
    91,467.60/137,201.40 = 60,295.56/x
  3. Step 3: Cross multiply
    91,467.60x = 137,201.40 × 60,295.56
  4. Step 4: Simplify right side
    91,467.60x = 8,272,635,479.68
  5. Step 5: Solve for x
    x = 8,272,635,479.68/91,467.60
  6. Step 6: Final answer
    x = 90,443.34

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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.