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Finding the Fourth Proportional to 135,087.48, 202,674.96 and 64,957.68

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Solution

The fourth proportional to 135,087.48, 202,674.96 and 64,957.68 is: 97,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.48 : 202,674.96 = 64,957.68 : x
  2. Step 2: Convert to fraction form
    135,087.48/202,674.96 = 64,957.68/x
  3. Step 3: Cross multiply
    135,087.48x = 202,674.96 × 64,957.68
  4. Step 4: Simplify right side
    135,087.48x = 13,165,295,195.69
  5. Step 5: Solve for x
    x = 13,165,295,195.69/135,087.48
  6. Step 6: Final answer
    x = 97,457.55

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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.