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Finding the Fourth Proportional to 341,682.09, 512,572.13 and 105,044.64

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Solution

The fourth proportional to 341,682.09, 512,572.13 and 105,044.64 is: 157,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,682.09 : 512,572.13 = 105,044.64 : x
  2. Step 2: Convert to fraction form
    341,682.09/512,572.13 = 105,044.64/x
  3. Step 3: Cross multiply
    341,682.09x = 512,572.13 × 105,044.64
  4. Step 4: Simplify right side
    341,682.09x = 53,842,954,869.88
  5. Step 5: Solve for x
    x = 53,842,954,869.88/341,682.09
  6. Step 6: Final answer
    x = 157,582.02

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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.