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Finding the Fourth Proportional to 173,328.64, 239,191.68 and 97,872.64

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Solution

The fourth proportional to 173,328.64, 239,191.68 and 97,872.64 is: 135,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,328.64 : 239,191.68 = 97,872.64 : x
  2. Step 2: Convert to fraction form
    173,328.64/239,191.68 = 97,872.64/x
  3. Step 3: Cross multiply
    173,328.64x = 239,191.68 × 97,872.64
  4. Step 4: Simplify right side
    173,328.64x = 23,410,321,187.64
  5. Step 5: Solve for x
    x = 23,410,321,187.64/173,328.64
  6. Step 6: Final answer
    x = 135,063.20

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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.