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Finding the Fourth Proportional to 268,026.84, 369,850.82 and 154,847.16

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Solution

The fourth proportional to 268,026.84, 369,850.82 and 154,847.16 is: 213,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,026.84 : 369,850.82 = 154,847.16 : x
  2. Step 2: Convert to fraction form
    268,026.84/369,850.82 = 154,847.16/x
  3. Step 3: Cross multiply
    268,026.84x = 369,850.82 × 154,847.16
  4. Step 4: Simplify right side
    268,026.84x = 57,270,349,100.67
  5. Step 5: Solve for x
    x = 57,270,349,100.67/268,026.84
  6. Step 6: Final answer
    x = 213,673.93

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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.