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Finding the Fourth Proportional to 341,650.71, 512,525.07 and 105,013.26

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Solution

The fourth proportional to 341,650.71, 512,525.07 and 105,013.26 is: 157,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,650.71 : 512,525.07 = 105,013.26 : x
  2. Step 2: Convert to fraction form
    341,650.71/512,525.07 = 105,013.26/x
  3. Step 3: Cross multiply
    341,650.71x = 512,525.07 × 105,013.26
  4. Step 4: Simplify right side
    341,650.71x = 53,821,928,432.43
  5. Step 5: Solve for x
    x = 53,821,928,432.43/341,650.71
  6. Step 6: Final answer
    x = 157,534.95

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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.