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Finding the Fourth Proportional to 135,301.68, 202,953.90 and 60,425.64

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Solution

The fourth proportional to 135,301.68, 202,953.90 and 60,425.64 is: 90,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,301.68 : 202,953.90 = 60,425.64 : x
  2. Step 2: Convert to fraction form
    135,301.68/202,953.90 = 60,425.64/x
  3. Step 3: Cross multiply
    135,301.68x = 202,953.90 × 60,425.64
  4. Step 4: Simplify right side
    135,301.68x = 12,263,619,298.00
  5. Step 5: Solve for x
    x = 12,263,619,298.00/135,301.68
  6. Step 6: Final answer
    x = 90,639.08

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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.