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Finding the Fourth Proportional to 168,474.90, 252,384.30 and 93,460.80

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Solution

The fourth proportional to 168,474.90, 252,384.30 and 93,460.80 is: 140,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,474.90 : 252,384.30 = 93,460.80 : x
  2. Step 2: Convert to fraction form
    168,474.90/252,384.30 = 93,460.80/x
  3. Step 3: Cross multiply
    168,474.90x = 252,384.30 × 93,460.80
  4. Step 4: Simplify right side
    168,474.90x = 23,588,038,585.44
  5. Step 5: Solve for x
    x = 23,588,038,585.44/168,474.90
  6. Step 6: Final answer
    x = 140,009.22

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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.