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Finding the Fourth Proportional to 303,075.74, 454,597.12 and 92,713.68

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Solution

The fourth proportional to 303,075.74, 454,597.12 and 92,713.68 is: 139,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,075.74 : 454,597.12 = 92,713.68 : x
  2. Step 2: Convert to fraction form
    303,075.74/454,597.12 = 92,713.68/x
  3. Step 3: Cross multiply
    303,075.74x = 454,597.12 × 92,713.68
  4. Step 4: Simplify right side
    303,075.74x = 42,147,372,028.49
  5. Step 5: Solve for x
    x = 42,147,372,028.49/303,075.74
  6. Step 6: Final answer
    x = 139,065.47

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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.