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Finding the Fourth Proportional to 325,675.80, 488,583.36 and 101,031.36

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Solution

The fourth proportional to 325,675.80, 488,583.36 and 101,031.36 is: 151,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,675.80 : 488,583.36 = 101,031.36 : x
  2. Step 2: Convert to fraction form
    325,675.80/488,583.36 = 101,031.36/x
  3. Step 3: Cross multiply
    325,675.80x = 488,583.36 × 101,031.36
  4. Step 4: Simplify right side
    325,675.80x = 49,362,241,334.17
  5. Step 5: Solve for x
    x = 49,362,241,334.17/325,675.80
  6. Step 6: Final answer
    x = 151,568.65

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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.