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Finding the Fourth Proportional to 67,446, 93,075.60 and 37,231.35

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Solution

The fourth proportional to 67,446, 93,075.60 and 37,231.35 is: 51,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,446 : 93,075.60 = 37,231.35 : x
  2. Step 2: Convert to fraction form
    67,446/93,075.60 = 37,231.35/x
  3. Step 3: Cross multiply
    67,446x = 93,075.60 × 37,231.35
  4. Step 4: Simplify right side
    67,446x = 3,465,330,240.06
  5. Step 5: Solve for x
    x = 3,465,330,240.06/67,446
  6. Step 6: Final answer
    x = 51,379.33

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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.