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Finding the Fourth Proportional to 168,570.60, 252,779.70 and 89,667.96

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Solution

The fourth proportional to 168,570.60, 252,779.70 and 89,667.96 is: 134,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,570.60 : 252,779.70 = 89,667.96 : x
  2. Step 2: Convert to fraction form
    168,570.60/252,779.70 = 89,667.96/x
  3. Step 3: Cross multiply
    168,570.60x = 252,779.70 × 89,667.96
  4. Step 4: Simplify right side
    168,570.60x = 22,666,240,028.41
  5. Step 5: Solve for x
    x = 22,666,240,028.41/168,570.60
  6. Step 6: Final answer
    x = 134,461.41

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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.