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Finding the Fourth Proportional to 162,647.07, 243,783.41 and 62,763.09

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Solution

The fourth proportional to 162,647.07, 243,783.41 and 62,763.09 is: 94,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,647.07 : 243,783.41 = 62,763.09 : x
  2. Step 2: Convert to fraction form
    162,647.07/243,783.41 = 62,763.09/x
  3. Step 3: Cross multiply
    162,647.07x = 243,783.41 × 62,763.09
  4. Step 4: Simplify right side
    162,647.07x = 15,300,599,788.52
  5. Step 5: Solve for x
    x = 15,300,599,788.52/162,647.07
  6. Step 6: Final answer
    x = 94,072.40

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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.