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Finding the Fourth Proportional to 243,003.21, 335,352.48 and 132,627.89

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Solution

The fourth proportional to 243,003.21, 335,352.48 and 132,627.89 is: 183,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,003.21 : 335,352.48 = 132,627.89 : x
  2. Step 2: Convert to fraction form
    243,003.21/335,352.48 = 132,627.89/x
  3. Step 3: Cross multiply
    243,003.21x = 335,352.48 × 132,627.89
  4. Step 4: Simplify right side
    243,003.21x = 44,477,091,828.67
  5. Step 5: Solve for x
    x = 44,477,091,828.67/243,003.21
  6. Step 6: Final answer
    x = 183,030.88

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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.