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Finding the Fourth Proportional to 97,615.54, 146,457.99 and 43,575.33

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Solution

The fourth proportional to 97,615.54, 146,457.99 and 43,575.33 is: 65,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615.54 : 146,457.99 = 43,575.33 : x
  2. Step 2: Convert to fraction form
    97,615.54/146,457.99 = 43,575.33/x
  3. Step 3: Cross multiply
    97,615.54x = 146,457.99 × 43,575.33
  4. Step 4: Simplify right side
    97,615.54x = 6,381,955,245.39
  5. Step 5: Solve for x
    x = 6,381,955,245.39/97,615.54
  6. Step 6: Final answer
    x = 65,378.48

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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.