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Finding the Fourth Proportional to 223,800.57, 308,741.63 and 143,189.37

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Solution

The fourth proportional to 223,800.57, 308,741.63 and 143,189.37 is: 197,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,800.57 : 308,741.63 = 143,189.37 : x
  2. Step 2: Convert to fraction form
    223,800.57/308,741.63 = 143,189.37/x
  3. Step 3: Cross multiply
    223,800.57x = 308,741.63 × 143,189.37
  4. Step 4: Simplify right side
    223,800.57x = 44,208,518,776.53
  5. Step 5: Solve for x
    x = 44,208,518,776.53/223,800.57
  6. Step 6: Final answer
    x = 197,535.33

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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.