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Finding the Fourth Proportional to 341,763.60, 512,694.42 and 105,126.24

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Solution

The fourth proportional to 341,763.60, 512,694.42 and 105,126.24 is: 157,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,763.60 : 512,694.42 = 105,126.24 : x
  2. Step 2: Convert to fraction form
    341,763.60/512,694.42 = 105,126.24/x
  3. Step 3: Cross multiply
    341,763.60x = 512,694.42 × 105,126.24
  4. Step 4: Simplify right side
    341,763.60x = 53,897,636,643.58
  5. Step 5: Solve for x
    x = 53,897,636,643.58/341,763.60
  6. Step 6: Final answer
    x = 157,704.44

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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.