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Finding the Fourth Proportional to 75,995.78, 113,995.97 and 26,075.16

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Solution

The fourth proportional to 75,995.78, 113,995.97 and 26,075.16 is: 39,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,995.78 : 113,995.97 = 26,075.16 : x
  2. Step 2: Convert to fraction form
    75,995.78/113,995.97 = 26,075.16/x
  3. Step 3: Cross multiply
    75,995.78x = 113,995.97 × 26,075.16
  4. Step 4: Simplify right side
    75,995.78x = 2,972,463,026.73
  5. Step 5: Solve for x
    x = 2,972,463,026.73/75,995.78
  6. Step 6: Final answer
    x = 39,113.53

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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.