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Finding the Fourth Proportional to 222,706.60, 333,606.30 and 138,207.40

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Solution

The fourth proportional to 222,706.60, 333,606.30 and 138,207.40 is: 207,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,706.60 : 333,606.30 = 138,207.40 : x
  2. Step 2: Convert to fraction form
    222,706.60/333,606.30 = 138,207.40/x
  3. Step 3: Cross multiply
    222,706.60x = 333,606.30 × 138,207.40
  4. Step 4: Simplify right side
    222,706.60x = 46,106,859,346.62
  5. Step 5: Solve for x
    x = 46,106,859,346.62/222,706.60
  6. Step 6: Final answer
    x = 207,029.60

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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.