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Finding the Fourth Proportional to 242,696.74, 364,209.06 and 84,926.56

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Solution

The fourth proportional to 242,696.74, 364,209.06 and 84,926.56 is: 127,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,696.74 : 364,209.06 = 84,926.56 : x
  2. Step 2: Convert to fraction form
    242,696.74/364,209.06 = 84,926.56/x
  3. Step 3: Cross multiply
    242,696.74x = 364,209.06 × 84,926.56
  4. Step 4: Simplify right side
    242,696.74x = 30,931,022,586.63
  5. Step 5: Solve for x
    x = 30,931,022,586.63/242,696.74
  6. Step 6: Final answer
    x = 127,447.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.