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Finding the Fourth Proportional to 223,677.56, 308,675.04 and 123,075.56

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Solution

The fourth proportional to 223,677.56, 308,675.04 and 123,075.56 is: 169,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,677.56 : 308,675.04 = 123,075.56 : x
  2. Step 2: Convert to fraction form
    223,677.56/308,675.04 = 123,075.56/x
  3. Step 3: Cross multiply
    223,677.56x = 308,675.04 × 123,075.56
  4. Step 4: Simplify right side
    223,677.56x = 37,990,353,716.18
  5. Step 5: Solve for x
    x = 37,990,353,716.18/223,677.56
  6. Step 6: Final answer
    x = 169,844.28

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1.5x scale

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.