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Finding the Fourth Proportional to 135,029.28, 202,587.66 and 64,914.06

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Solution

The fourth proportional to 135,029.28, 202,587.66 and 64,914.06 is: 97,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,029.28 : 202,587.66 = 64,914.06 : x
  2. Step 2: Convert to fraction form
    135,029.28/202,587.66 = 64,914.06/x
  3. Step 3: Cross multiply
    135,029.28x = 202,587.66 × 64,914.06
  4. Step 4: Simplify right side
    135,029.28x = 13,150,787,516.50
  5. Step 5: Solve for x
    x = 13,150,787,516.50/135,029.28
  6. Step 6: Final answer
    x = 97,392.12

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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.