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Finding the Fourth Proportional to 222,793.12, 307,566.48 and 145,303.84

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Solution

The fourth proportional to 222,793.12, 307,566.48 and 145,303.84 is: 200,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,793.12 : 307,566.48 = 145,303.84 : x
  2. Step 2: Convert to fraction form
    222,793.12/307,566.48 = 145,303.84/x
  3. Step 3: Cross multiply
    222,793.12x = 307,566.48 × 145,303.84
  4. Step 4: Simplify right side
    222,793.12x = 44,690,590,599.28
  5. Step 5: Solve for x
    x = 44,690,590,599.28/222,793.12
  6. Step 6: Final answer
    x = 200,592.33

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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.