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Finding the Fourth Proportional to 222,859.05, 334,289.30 and 56,647.05

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Solution

The fourth proportional to 222,859.05, 334,289.30 and 56,647.05 is: 84,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,859.05 : 334,289.30 = 56,647.05 : x
  2. Step 2: Convert to fraction form
    222,859.05/334,289.30 = 56,647.05/x
  3. Step 3: Cross multiply
    222,859.05x = 334,289.30 × 56,647.05
  4. Step 4: Simplify right side
    222,859.05x = 18,936,502,691.57
  5. Step 5: Solve for x
    x = 18,936,502,691.57/222,859.05
  6. Step 6: Final answer
    x = 84,970.76

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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.