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Finding the Fourth Proportional to 222,071.20, 333,106.80 and 55,859.20

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Solution

The fourth proportional to 222,071.20, 333,106.80 and 55,859.20 is: 83,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,071.20 : 333,106.80 = 55,859.20 : x
  2. Step 2: Convert to fraction form
    222,071.20/333,106.80 = 55,859.20/x
  3. Step 3: Cross multiply
    222,071.20x = 333,106.80 × 55,859.20
  4. Step 4: Simplify right side
    222,071.20x = 18,607,079,362.56
  5. Step 5: Solve for x
    x = 18,607,079,362.56/222,071.20
  6. Step 6: Final answer
    x = 83,788.80

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1.5x scale

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.