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Finding the Fourth Proportional to 243,302.84, 364,954.25 and 124,908.38

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Solution

The fourth proportional to 243,302.84, 364,954.25 and 124,908.38 is: 187,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,302.84 : 364,954.25 = 124,908.38 : x
  2. Step 2: Convert to fraction form
    243,302.84/364,954.25 = 124,908.38/x
  3. Step 3: Cross multiply
    243,302.84x = 364,954.25 × 124,908.38
  4. Step 4: Simplify right side
    243,302.84x = 45,585,841,692.30
  5. Step 5: Solve for x
    x = 45,585,841,692.30/243,302.84
  6. Step 6: Final answer
    x = 187,362.56

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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.