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Finding the Fourth Proportional to 74,203.04, 102,395.04 and 43,986.80

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Solution

The fourth proportional to 74,203.04, 102,395.04 and 43,986.80 is: 60,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.04 : 102,395.04 = 43,986.80 : x
  2. Step 2: Convert to fraction form
    74,203.04/102,395.04 = 43,986.80/x
  3. Step 3: Cross multiply
    74,203.04x = 102,395.04 × 43,986.80
  4. Step 4: Simplify right side
    74,203.04x = 4,504,030,145.47
  5. Step 5: Solve for x
    x = 4,504,030,145.47/74,203.04
  6. Step 6: Final answer
    x = 60,698.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.