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Finding the Fourth Proportional to 322,036.80, 483,055.04 and 122,357.12

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Solution

The fourth proportional to 322,036.80, 483,055.04 and 122,357.12 is: 183,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,036.80 : 483,055.04 = 122,357.12 : x
  2. Step 2: Convert to fraction form
    322,036.80/483,055.04 = 122,357.12/x
  3. Step 3: Cross multiply
    322,036.80x = 483,055.04 × 122,357.12
  4. Step 4: Simplify right side
    322,036.80x = 59,105,223,495.88
  5. Step 5: Solve for x
    x = 59,105,223,495.88/322,036.80
  6. Step 6: Final answer
    x = 183,535.62

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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.