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Finding the Fourth Proportional to 325,662.80, 488,563.92 and 101,018.36

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Solution

The fourth proportional to 325,662.80, 488,563.92 and 101,018.36 is: 151,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,662.80 : 488,563.92 = 101,018.36 : x
  2. Step 2: Convert to fraction form
    325,662.80/488,563.92 = 101,018.36/x
  3. Step 3: Cross multiply
    325,662.80x = 488,563.92 × 101,018.36
  4. Step 4: Simplify right side
    325,662.80x = 49,353,925,953.57
  5. Step 5: Solve for x
    x = 49,353,925,953.57/325,662.80
  6. Step 6: Final answer
    x = 151,549.17

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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.