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Finding the Fourth Proportional to 168,411.96, 232,400.34 and 96,775.56

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Solution

The fourth proportional to 168,411.96, 232,400.34 and 96,775.56 is: 133,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,411.96 : 232,400.34 = 96,775.56 : x
  2. Step 2: Convert to fraction form
    168,411.96/232,400.34 = 96,775.56/x
  3. Step 3: Cross multiply
    168,411.96x = 232,400.34 × 96,775.56
  4. Step 4: Simplify right side
    168,411.96x = 22,490,673,047.69
  5. Step 5: Solve for x
    x = 22,490,673,047.69/168,411.96
  6. Step 6: Final answer
    x = 133,545.58

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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.