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Finding the Fourth Proportional to 64,328.42, 96,492.86 and 45,551.67

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Solution

The fourth proportional to 64,328.42, 96,492.86 and 45,551.67 is: 68,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.42 : 96,492.86 = 45,551.67 : x
  2. Step 2: Convert to fraction form
    64,328.42/96,492.86 = 45,551.67/x
  3. Step 3: Cross multiply
    64,328.42x = 96,492.86 × 45,551.67
  4. Step 4: Simplify right side
    64,328.42x = 4,395,410,497.29
  5. Step 5: Solve for x
    x = 4,395,410,497.29/64,328.42
  6. Step 6: Final answer
    x = 68,327.66

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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.