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Finding the Fourth Proportional to 118,606.80, 177,910.38 and 29,860.32

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Solution

The fourth proportional to 118,606.80, 177,910.38 and 29,860.32 is: 44,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,606.80 : 177,910.38 = 29,860.32 : x
  2. Step 2: Convert to fraction form
    118,606.80/177,910.38 = 29,860.32/x
  3. Step 3: Cross multiply
    118,606.80x = 177,910.38 × 29,860.32
  4. Step 4: Simplify right side
    118,606.80x = 5,312,460,878.12
  5. Step 5: Solve for x
    x = 5,312,460,878.12/118,606.80
  6. Step 6: Final answer
    x = 44,790.53

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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.