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Finding the Fourth Proportional to 132,602.96, 198,627.96 and 58,782.80

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Solution

The fourth proportional to 132,602.96, 198,627.96 and 58,782.80 is: 88,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.96 : 198,627.96 = 58,782.80 : x
  2. Step 2: Convert to fraction form
    132,602.96/198,627.96 = 58,782.80/x
  3. Step 3: Cross multiply
    132,602.96x = 198,627.96 × 58,782.80
  4. Step 4: Simplify right side
    132,602.96x = 11,675,907,647.09
  5. Step 5: Solve for x
    x = 11,675,907,647.09/132,602.96
  6. Step 6: Final answer
    x = 88,051.64

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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.