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Finding the Fourth Proportional to 222,053.60, 333,112.80 and 103,728.80

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Solution

The fourth proportional to 222,053.60, 333,112.80 and 103,728.80 is: 155,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,053.60 : 333,112.80 = 103,728.80 : x
  2. Step 2: Convert to fraction form
    222,053.60/333,112.80 = 103,728.80/x
  3. Step 3: Cross multiply
    222,053.60x = 333,112.80 × 103,728.80
  4. Step 4: Simplify right side
    222,053.60x = 34,553,391,008.64
  5. Step 5: Solve for x
    x = 34,553,391,008.64/222,053.60
  6. Step 6: Final answer
    x = 155,608.34

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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.