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Finding the Fourth Proportional to 170,053.80, 255,080.70 and 43,693.80

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Solution

The fourth proportional to 170,053.80, 255,080.70 and 43,693.80 is: 65,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,053.80 : 255,080.70 = 43,693.80 : x
  2. Step 2: Convert to fraction form
    170,053.80/255,080.70 = 43,693.80/x
  3. Step 3: Cross multiply
    170,053.80x = 255,080.70 × 43,693.80
  4. Step 4: Simplify right side
    170,053.80x = 11,145,445,089.66
  5. Step 5: Solve for x
    x = 11,145,445,089.66/170,053.80
  6. Step 6: Final answer
    x = 65,540.70

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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.