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Finding the Fourth Proportional to 89,846.32, 134,798.64 and 43,093.12

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Solution

The fourth proportional to 89,846.32, 134,798.64 and 43,093.12 is: 64,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.32 : 134,798.64 = 43,093.12 : x
  2. Step 2: Convert to fraction form
    89,846.32/134,798.64 = 43,093.12/x
  3. Step 3: Cross multiply
    89,846.32x = 134,798.64 × 43,093.12
  4. Step 4: Simplify right side
    89,846.32x = 5,808,893,969.36
  5. Step 5: Solve for x
    x = 5,808,893,969.36/89,846.32
  6. Step 6: Final answer
    x = 64,653.67

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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.