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Finding the Fourth Proportional to 303,781,873.92, 455,675,667.84 and 73,752,979.20

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Solution

The fourth proportional to 303,781,873.92, 455,675,667.84 and 73,752,979.20 is: 110,630,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,781,873.92 : 455,675,667.84 = 73,752,979.20 : x
  2. Step 2: Convert to fraction form
    303,781,873.92/455,675,667.84 = 73,752,979.20/x
  3. Step 3: Cross multiply
    303,781,873.92x = 455,675,667.84 × 73,752,979.20
  4. Step 4: Simplify right side
    303,781,873.92x = 33,607,438,052,149,628
  5. Step 5: Solve for x
    x = 33,607,438,052,149,628/303,781,873.92
  6. Step 6: Final answer
    x = 110,630,162.42

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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.