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Finding the Fourth Proportional to 75,297.51, 103,893.14 and 45,071.35

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Solution

The fourth proportional to 75,297.51, 103,893.14 and 45,071.35 is: 62,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.51 : 103,893.14 = 45,071.35 : x
  2. Step 2: Convert to fraction form
    75,297.51/103,893.14 = 45,071.35/x
  3. Step 3: Cross multiply
    75,297.51x = 103,893.14 × 45,071.35
  4. Step 4: Simplify right side
    75,297.51x = 4,682,604,075.54
  5. Step 5: Solve for x
    x = 4,682,604,075.54/75,297.51
  6. Step 6: Final answer
    x = 62,188.03

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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.