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Finding the Fourth Proportional to 84,433.59, 126,525.05 and 46,942.09

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Solution

The fourth proportional to 84,433.59, 126,525.05 and 46,942.09 is: 70,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,433.59 : 126,525.05 = 46,942.09 : x
  2. Step 2: Convert to fraction form
    84,433.59/126,525.05 = 46,942.09/x
  3. Step 3: Cross multiply
    84,433.59x = 126,525.05 × 46,942.09
  4. Step 4: Simplify right side
    84,433.59x = 5,939,350,284.35
  5. Step 5: Solve for x
    x = 5,939,350,284.35/84,433.59
  6. Step 6: Final answer
    x = 70,343.45

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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.