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Finding the Fourth Proportional to 222,638.60, 333,301.80 and 147,843.20

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Solution

The fourth proportional to 222,638.60, 333,301.80 and 147,843.20 is: 221,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,638.60 : 333,301.80 = 147,843.20 : x
  2. Step 2: Convert to fraction form
    222,638.60/333,301.80 = 147,843.20/x
  3. Step 3: Cross multiply
    222,638.60x = 333,301.80 × 147,843.20
  4. Step 4: Simplify right side
    222,638.60x = 49,276,404,677.76
  5. Step 5: Solve for x
    x = 49,276,404,677.76/222,638.60
  6. Step 6: Final answer
    x = 221,329.12

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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.