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Finding the Fourth Proportional to 222,138.62, 333,258.05 and 70,344.91

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Solution

The fourth proportional to 222,138.62, 333,258.05 and 70,344.91 is: 105,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,138.62 : 333,258.05 = 70,344.91 : x
  2. Step 2: Convert to fraction form
    222,138.62/333,258.05 = 70,344.91/x
  3. Step 3: Cross multiply
    222,138.62x = 333,258.05 × 70,344.91
  4. Step 4: Simplify right side
    222,138.62x = 23,443,006,876.74
  5. Step 5: Solve for x
    x = 23,443,006,876.74/222,138.62
  6. Step 6: Final answer
    x = 105,533.24

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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.