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Finding the Fourth Proportional to 341,662.46, 512,542.70 and 105,025.01

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Solution

The fourth proportional to 341,662.46, 512,542.70 and 105,025.01 is: 157,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,662.46 : 512,542.70 = 105,025.01 : x
  2. Step 2: Convert to fraction form
    341,662.46/512,542.70 = 105,025.01/x
  3. Step 3: Cross multiply
    341,662.46x = 512,542.70 × 105,025.01
  4. Step 4: Simplify right side
    341,662.46x = 53,829,801,667.80
  5. Step 5: Solve for x
    x = 53,829,801,667.80/341,662.46
  6. Step 6: Final answer
    x = 157,552.58

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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.