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Finding the Fourth Proportional to 223,677.13, 308,674.44 and 123,075.13

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Solution

The fourth proportional to 223,677.13, 308,674.44 and 123,075.13 is: 169,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,677.13 : 308,674.44 = 123,075.13 : x
  2. Step 2: Convert to fraction form
    223,677.13/308,674.44 = 123,075.13/x
  3. Step 3: Cross multiply
    223,677.13x = 308,674.44 × 123,075.13
  4. Step 4: Simplify right side
    223,677.13x = 37,990,144,671.93
  5. Step 5: Solve for x
    x = 37,990,144,671.93/223,677.13
  6. Step 6: Final answer
    x = 169,843.67

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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.