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Finding the Fourth Proportional to 262,066.58, 393,120.39 and 93,623.30

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Solution

The fourth proportional to 262,066.58, 393,120.39 and 93,623.30 is: 140,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,066.58 : 393,120.39 = 93,623.30 : x
  2. Step 2: Convert to fraction form
    262,066.58/393,120.39 = 93,623.30/x
  3. Step 3: Cross multiply
    262,066.58x = 393,120.39 × 93,623.30
  4. Step 4: Simplify right side
    262,066.58x = 36,805,228,209.09
  5. Step 5: Solve for x
    x = 36,805,228,209.09/262,066.58
  6. Step 6: Final answer
    x = 140,442.28

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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.