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Finding the Fourth Proportional to 154,370.64, 231,549.01 and 64,376.30

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Solution

The fourth proportional to 154,370.64, 231,549.01 and 64,376.30 is: 96,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,370.64 : 231,549.01 = 64,376.30 : x
  2. Step 2: Convert to fraction form
    154,370.64/231,549.01 = 64,376.30/x
  3. Step 3: Cross multiply
    154,370.64x = 231,549.01 × 64,376.30
  4. Step 4: Simplify right side
    154,370.64x = 14,906,267,052.84
  5. Step 5: Solve for x
    x = 14,906,267,052.84/154,370.64
  6. Step 6: Final answer
    x = 96,561.54

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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.