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Finding the Fourth Proportional to 223,378.56, 307,902.87 and 183,021.12

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Solution

The fourth proportional to 223,378.56, 307,902.87 and 183,021.12 is: 252,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,378.56 : 307,902.87 = 183,021.12 : x
  2. Step 2: Convert to fraction form
    223,378.56/307,902.87 = 183,021.12/x
  3. Step 3: Cross multiply
    223,378.56x = 307,902.87 × 183,021.12
  4. Step 4: Simplify right side
    223,378.56x = 56,352,728,118.61
  5. Step 5: Solve for x
    x = 56,352,728,118.61/223,378.56
  6. Step 6: Final answer
    x = 252,274.56

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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.