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Finding the Fourth Proportional to 64,225.58, 88,716 and 49,302.65

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Solution

The fourth proportional to 64,225.58, 88,716 and 49,302.65 is: 68,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.58 : 88,716 = 49,302.65 : x
  2. Step 2: Convert to fraction form
    64,225.58/88,716 = 49,302.65/x
  3. Step 3: Cross multiply
    64,225.58x = 88,716 × 49,302.65
  4. Step 4: Simplify right side
    64,225.58x = 4,373,933,453.82
  5. Step 5: Solve for x
    x = 4,373,933,453.82/64,225.58
  6. Step 6: Final answer
    x = 68,102.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.