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Finding the Fourth Proportional to 168,779.46, 232,938.81 and 101,698.50

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Solution

The fourth proportional to 168,779.46, 232,938.81 and 101,698.50 is: 140,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,779.46 : 232,938.81 = 101,698.50 : x
  2. Step 2: Convert to fraction form
    168,779.46/232,938.81 = 101,698.50/x
  3. Step 3: Cross multiply
    168,779.46x = 232,938.81 × 101,698.50
  4. Step 4: Simplify right side
    168,779.46x = 23,689,527,568.79
  5. Step 5: Solve for x
    x = 23,689,527,568.79/168,779.46
  6. Step 6: Final answer
    x = 140,357.88

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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.