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Finding the Fourth Proportional to 168,761.82, 232,899.39 and 93,315.18

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Solution

The fourth proportional to 168,761.82, 232,899.39 and 93,315.18 is: 128,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,761.82 : 232,899.39 = 93,315.18 : x
  2. Step 2: Convert to fraction form
    168,761.82/232,899.39 = 93,315.18/x
  3. Step 3: Cross multiply
    168,761.82x = 232,899.39 × 93,315.18
  4. Step 4: Simplify right side
    168,761.82x = 21,733,048,499.74
  5. Step 5: Solve for x
    x = 21,733,048,499.74/168,761.82
  6. Step 6: Final answer
    x = 128,779.42

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1.5x scale

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.