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Finding the Fourth Proportional to 222,023.80, 333,078.90 and 64,257.40

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Solution

The fourth proportional to 222,023.80, 333,078.90 and 64,257.40 is: 96,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,023.80 : 333,078.90 = 64,257.40 : x
  2. Step 2: Convert to fraction form
    222,023.80/333,078.90 = 64,257.40/x
  3. Step 3: Cross multiply
    222,023.80x = 333,078.90 × 64,257.40
  4. Step 4: Simplify right side
    222,023.80x = 21,402,784,108.86
  5. Step 5: Solve for x
    x = 21,402,784,108.86/222,023.80
  6. Step 6: Final answer
    x = 96,398.60

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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.