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Finding the Fourth Proportional to 123,222.84, 183,958.95 and 118,848.84

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Solution

The fourth proportional to 123,222.84, 183,958.95 and 118,848.84 is: 177,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,222.84 : 183,958.95 = 118,848.84 : x
  2. Step 2: Convert to fraction form
    123,222.84/183,958.95 = 118,848.84/x
  3. Step 3: Cross multiply
    123,222.84x = 183,958.95 × 118,848.84
  4. Step 4: Simplify right side
    123,222.84x = 21,863,307,815.12
  5. Step 5: Solve for x
    x = 21,863,307,815.12/123,222.84
  6. Step 6: Final answer
    x = 177,429.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.