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Finding the Fourth Proportional to 223,333.67, 308,075.67 and 137,232.83

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Solution

The fourth proportional to 223,333.67, 308,075.67 and 137,232.83 is: 189,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,333.67 : 308,075.67 = 137,232.83 : x
  2. Step 2: Convert to fraction form
    223,333.67/308,075.67 = 137,232.83/x
  3. Step 3: Cross multiply
    223,333.67x = 308,075.67 × 137,232.83
  4. Step 4: Simplify right side
    223,333.67x = 42,278,096,818.44
  5. Step 5: Solve for x
    x = 42,278,096,818.44/223,333.67
  6. Step 6: Final answer
    x = 189,304.62

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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.