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Finding the Fourth Proportional to 361,964.84, 542,875.97 and 122,055.39

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Solution

The fourth proportional to 361,964.84, 542,875.97 and 122,055.39 is: 183,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,964.84 : 542,875.97 = 122,055.39 : x
  2. Step 2: Convert to fraction form
    361,964.84/542,875.97 = 122,055.39/x
  3. Step 3: Cross multiply
    361,964.84x = 542,875.97 × 122,055.39
  4. Step 4: Simplify right side
    361,964.84x = 66,260,938,545.12
  5. Step 5: Solve for x
    x = 66,260,938,545.12/361,964.84
  6. Step 6: Final answer
    x = 183,059.05

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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.