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Finding the Fourth Proportional to 65,551.68, 98,298.36 and 49,921.92

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Solution

The fourth proportional to 65,551.68, 98,298.36 and 49,921.92 is: 74,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551.68 : 98,298.36 = 49,921.92 : x
  2. Step 2: Convert to fraction form
    65,551.68/98,298.36 = 49,921.92/x
  3. Step 3: Cross multiply
    65,551.68x = 98,298.36 × 49,921.92
  4. Step 4: Simplify right side
    65,551.68x = 4,907,242,864.05
  5. Step 5: Solve for x
    x = 4,907,242,864.05/65,551.68
  6. Step 6: Final answer
    x = 74,860.67

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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.