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Finding the Fourth Proportional to 147,470.88, 221,207.12 and 36,662.88

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Solution

The fourth proportional to 147,470.88, 221,207.12 and 36,662.88 is: 54,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,470.88 : 221,207.12 = 36,662.88 : x
  2. Step 2: Convert to fraction form
    147,470.88/221,207.12 = 36,662.88/x
  3. Step 3: Cross multiply
    147,470.88x = 221,207.12 × 36,662.88
  4. Step 4: Simplify right side
    147,470.88x = 8,110,089,081.33
  5. Step 5: Solve for x
    x = 8,110,089,081.33/147,470.88
  6. Step 6: Final answer
    x = 54,994.51

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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.