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Finding the Fourth Proportional to 223,458.40, 335,187.60 and 73,698.40

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Solution

The fourth proportional to 223,458.40, 335,187.60 and 73,698.40 is: 110,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,458.40 : 335,187.60 = 73,698.40 : x
  2. Step 2: Convert to fraction form
    223,458.40/335,187.60 = 73,698.40/x
  3. Step 3: Cross multiply
    223,458.40x = 335,187.60 × 73,698.40
  4. Step 4: Simplify right side
    223,458.40x = 24,702,789,819.84
  5. Step 5: Solve for x
    x = 24,702,789,819.84/223,458.40
  6. Step 6: Final answer
    x = 110,547.60

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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.