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Finding the Fourth Proportional to 352,957.35, 529,448.45 and 113,078.55

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Solution

The fourth proportional to 352,957.35, 529,448.45 and 113,078.55 is: 169,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,957.35 : 529,448.45 = 113,078.55 : x
  2. Step 2: Convert to fraction form
    352,957.35/529,448.45 = 113,078.55/x
  3. Step 3: Cross multiply
    352,957.35x = 529,448.45 × 113,078.55
  4. Step 4: Simplify right side
    352,957.35x = 59,869,262,460.35
  5. Step 5: Solve for x
    x = 59,869,262,460.35/352,957.35
  6. Step 6: Final answer
    x = 169,621.80

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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.