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Finding the Fourth Proportional to 168,324.69, 232,292.93 and 92,878.05

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Solution

The fourth proportional to 168,324.69, 232,292.93 and 92,878.05 is: 128,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,324.69 : 232,292.93 = 92,878.05 : x
  2. Step 2: Convert to fraction form
    168,324.69/232,292.93 = 92,878.05/x
  3. Step 3: Cross multiply
    168,324.69x = 232,292.93 × 92,878.05
  4. Step 4: Simplify right side
    168,324.69x = 21,574,913,786.45
  5. Step 5: Solve for x
    x = 21,574,913,786.45/168,324.69
  6. Step 6: Final answer
    x = 128,174.39

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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.