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Finding the Fourth Proportional to 55,675.70, 83,404.20 and 51,739.10

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Solution

The fourth proportional to 55,675.70, 83,404.20 and 51,739.10 is: 77,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,675.70 : 83,404.20 = 51,739.10 : x
  2. Step 2: Convert to fraction form
    55,675.70/83,404.20 = 51,739.10/x
  3. Step 3: Cross multiply
    55,675.70x = 83,404.20 × 51,739.10
  4. Step 4: Simplify right side
    55,675.70x = 4,315,258,244.22
  5. Step 5: Solve for x
    x = 4,315,258,244.22/55,675.70
  6. Step 6: Final answer
    x = 77,507.03

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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.