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Finding the Fourth Proportional to 313,272.97, 469,962.51 and 108,051.91

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Solution

The fourth proportional to 313,272.97, 469,962.51 and 108,051.91 is: 162,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.97 : 469,962.51 = 108,051.91 : x
  2. Step 2: Convert to fraction form
    313,272.97/469,962.51 = 108,051.91/x
  3. Step 3: Cross multiply
    313,272.97x = 469,962.51 × 108,051.91
  4. Step 4: Simplify right side
    313,272.97x = 50,780,345,253.79
  5. Step 5: Solve for x
    x = 50,780,345,253.79/313,272.97
  6. Step 6: Final answer
    x = 162,096.16

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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.