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Finding the Fourth Proportional to 210,274.84, 290,283.42 and 133,869.88

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Solution

The fourth proportional to 210,274.84, 290,283.42 and 133,869.88 is: 184,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,274.84 : 290,283.42 = 133,869.88 : x
  2. Step 2: Convert to fraction form
    210,274.84/290,283.42 = 133,869.88/x
  3. Step 3: Cross multiply
    210,274.84x = 290,283.42 × 133,869.88
  4. Step 4: Simplify right side
    210,274.84x = 38,860,206,601.39
  5. Step 5: Solve for x
    x = 38,860,206,601.39/210,274.84
  6. Step 6: Final answer
    x = 184,806.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.