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Finding the Fourth Proportional to 227,335.60, 313,722.48 and 131,898.16

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Solution

The fourth proportional to 227,335.60, 313,722.48 and 131,898.16 is: 182,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,335.60 : 313,722.48 = 131,898.16 : x
  2. Step 2: Convert to fraction form
    227,335.60/313,722.48 = 131,898.16/x
  3. Step 3: Cross multiply
    227,335.60x = 313,722.48 × 131,898.16
  4. Step 4: Simplify right side
    227,335.60x = 41,379,417,862.64
  5. Step 5: Solve for x
    x = 41,379,417,862.64/227,335.60
  6. Step 6: Final answer
    x = 182,019.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.