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Finding the Fourth Proportional to 169,693.60, 254,540.40 and 130,448.80

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Solution

The fourth proportional to 169,693.60, 254,540.40 and 130,448.80 is: 195,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,693.60 : 254,540.40 = 130,448.80 : x
  2. Step 2: Convert to fraction form
    169,693.60/254,540.40 = 130,448.80/x
  3. Step 3: Cross multiply
    169,693.60x = 254,540.40 × 130,448.80
  4. Step 4: Simplify right side
    169,693.60x = 33,204,489,731.52
  5. Step 5: Solve for x
    x = 33,204,489,731.52/169,693.60
  6. Step 6: Final answer
    x = 195,673.20

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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.