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Finding the Fourth Proportional to 132,887.67, 199,412.88 and 52,963.98

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Solution

The fourth proportional to 132,887.67, 199,412.88 and 52,963.98 is: 79,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.67 : 199,412.88 = 52,963.98 : x
  2. Step 2: Convert to fraction form
    132,887.67/199,412.88 = 52,963.98/x
  3. Step 3: Cross multiply
    132,887.67x = 199,412.88 × 52,963.98
  4. Step 4: Simplify right side
    132,887.67x = 10,561,699,788.06
  5. Step 5: Solve for x
    x = 10,561,699,788.06/132,887.67
  6. Step 6: Final answer
    x = 79,478.40

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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.