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Finding the Fourth Proportional to 134,396.76, 201,536.76 and 40,880.64

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Solution

The fourth proportional to 134,396.76, 201,536.76 and 40,880.64 is: 61,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,396.76 : 201,536.76 = 40,880.64 : x
  2. Step 2: Convert to fraction form
    134,396.76/201,536.76 = 40,880.64/x
  3. Step 3: Cross multiply
    134,396.76x = 201,536.76 × 40,880.64
  4. Step 4: Simplify right side
    134,396.76x = 8,238,951,732.33
  5. Step 5: Solve for x
    x = 8,238,951,732.33/134,396.76
  6. Step 6: Final answer
    x = 61,303.20

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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.