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Finding the Fourth Proportional to 216,197,572.91, 324,305,328.02 and 62,843,629.32

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Solution

The fourth proportional to 216,197,572.91, 324,305,328.02 and 62,843,629.32 is: 94,268,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,197,572.91 : 324,305,328.02 = 62,843,629.32 : x
  2. Step 2: Convert to fraction form
    216,197,572.91/324,305,328.02 = 62,843,629.32/x
  3. Step 3: Cross multiply
    216,197,572.91x = 324,305,328.02 × 62,843,629.32
  4. Step 4: Simplify right side
    216,197,572.91x = 20,380,523,820,275,672
  5. Step 5: Solve for x
    x = 20,380,523,820,275,672/216,197,572.91
  6. Step 6: Final answer
    x = 94,268,050.96

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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.