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Finding the Fourth Proportional to 64,075.70, 96,085.40 and 34,083.43

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Solution

The fourth proportional to 64,075.70, 96,085.40 and 34,083.43 is: 51,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.70 : 96,085.40 = 34,083.43 : x
  2. Step 2: Convert to fraction form
    64,075.70/96,085.40 = 34,083.43/x
  3. Step 3: Cross multiply
    64,075.70x = 96,085.40 × 34,083.43
  4. Step 4: Simplify right side
    64,075.70x = 3,274,920,004.92
  5. Step 5: Solve for x
    x = 3,274,920,004.92/64,075.70
  6. Step 6: Final answer
    x = 51,110.17

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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.