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Finding the Fourth Proportional to 223,299.84, 308,153.60 and 122,697.76

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Solution

The fourth proportional to 223,299.84, 308,153.60 and 122,697.76 is: 169,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,299.84 : 308,153.60 = 122,697.76 : x
  2. Step 2: Convert to fraction form
    223,299.84/308,153.60 = 122,697.76/x
  3. Step 3: Cross multiply
    223,299.84x = 308,153.60 × 122,697.76
  4. Step 4: Simplify right side
    223,299.84x = 37,809,756,455.94
  5. Step 5: Solve for x
    x = 37,809,756,455.94/223,299.84
  6. Step 6: Final answer
    x = 169,322.81

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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.