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Finding the Fourth Proportional to 222,708.94, 307,257.79 and 146,269.45

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Solution

The fourth proportional to 222,708.94, 307,257.79 and 146,269.45 is: 201,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,708.94 : 307,257.79 = 146,269.45 : x
  2. Step 2: Convert to fraction form
    222,708.94/307,257.79 = 146,269.45/x
  3. Step 3: Cross multiply
    222,708.94x = 307,257.79 × 146,269.45
  4. Step 4: Simplify right side
    222,708.94x = 44,942,426,817.70
  5. Step 5: Solve for x
    x = 44,942,426,817.70/222,708.94
  6. Step 6: Final answer
    x = 201,798.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.