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Finding the Fourth Proportional to 218,524.71, 301,582.67 and 123,050.01

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Solution

The fourth proportional to 218,524.71, 301,582.67 and 123,050.01 is: 169,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,524.71 : 301,582.67 = 123,050.01 : x
  2. Step 2: Convert to fraction form
    218,524.71/301,582.67 = 123,050.01/x
  3. Step 3: Cross multiply
    218,524.71x = 301,582.67 × 123,050.01
  4. Step 4: Simplify right side
    218,524.71x = 37,109,749,944.08
  5. Step 5: Solve for x
    x = 37,109,749,944.08/218,524.71
  6. Step 6: Final answer
    x = 169,819.47

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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.