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Finding the Fourth Proportional to 133,150.80, 199,726.20 and 118,635.60

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Solution

The fourth proportional to 133,150.80, 199,726.20 and 118,635.60 is: 177,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,150.80 : 199,726.20 = 118,635.60 : x
  2. Step 2: Convert to fraction form
    133,150.80/199,726.20 = 118,635.60/x
  3. Step 3: Cross multiply
    133,150.80x = 199,726.20 × 118,635.60
  4. Step 4: Simplify right side
    133,150.80x = 23,694,637,572.72
  5. Step 5: Solve for x
    x = 23,694,637,572.72/133,150.80
  6. Step 6: Final answer
    x = 177,953.40

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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.