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Finding the Fourth Proportional to 223,677.94, 308,675.55 and 123,075.94

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Solution

The fourth proportional to 223,677.94, 308,675.55 and 123,075.94 is: 169,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,677.94 : 308,675.55 = 123,075.94 : x
  2. Step 2: Convert to fraction form
    223,677.94/308,675.55 = 123,075.94/x
  3. Step 3: Cross multiply
    223,677.94x = 308,675.55 × 123,075.94
  4. Step 4: Simplify right side
    223,677.94x = 37,990,533,161.11
  5. Step 5: Solve for x
    x = 37,990,533,161.11/223,677.94
  6. Step 6: Final answer
    x = 169,844.79

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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.