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Finding the Fourth Proportional to 236,463.16, 354,629.12 and 65,645.64

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Solution

The fourth proportional to 236,463.16, 354,629.12 and 65,645.64 is: 98,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,463.16 : 354,629.12 = 65,645.64 : x
  2. Step 2: Convert to fraction form
    236,463.16/354,629.12 = 65,645.64/x
  3. Step 3: Cross multiply
    236,463.16x = 354,629.12 × 65,645.64
  4. Step 4: Simplify right side
    236,463.16x = 23,279,855,545.04
  5. Step 5: Solve for x
    x = 23,279,855,545.04/236,463.16
  6. Step 6: Final answer
    x = 98,450.24

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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.