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Finding the Fourth Proportional to 321,157.46, 481,717.60 and 96,513.06

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Solution

The fourth proportional to 321,157.46, 481,717.60 and 96,513.06 is: 144,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,157.46 : 481,717.60 = 96,513.06 : x
  2. Step 2: Convert to fraction form
    321,157.46/481,717.60 = 96,513.06/x
  3. Step 3: Cross multiply
    321,157.46x = 481,717.60 × 96,513.06
  4. Step 4: Simplify right side
    321,157.46x = 46,492,039,631.86
  5. Step 5: Solve for x
    x = 46,492,039,631.86/321,157.46
  6. Step 6: Final answer
    x = 144,764.00

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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.