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Finding the Fourth Proportional to 341,310.96, 512,064.72 and 104,688.36

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Solution

The fourth proportional to 341,310.96, 512,064.72 and 104,688.36 is: 157,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,310.96 : 512,064.72 = 104,688.36 : x
  2. Step 2: Convert to fraction form
    341,310.96/512,064.72 = 104,688.36/x
  3. Step 3: Cross multiply
    341,310.96x = 512,064.72 × 104,688.36
  4. Step 4: Simplify right side
    341,310.96x = 53,607,215,750.66
  5. Step 5: Solve for x
    x = 53,607,215,750.66/341,310.96
  6. Step 6: Final answer
    x = 157,062.68

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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.