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Finding the Fourth Proportional to 172,673.08, 259,009.62 and 83,850.46

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Solution

The fourth proportional to 172,673.08, 259,009.62 and 83,850.46 is: 125,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,673.08 : 259,009.62 = 83,850.46 : x
  2. Step 2: Convert to fraction form
    172,673.08/259,009.62 = 83,850.46/x
  3. Step 3: Cross multiply
    172,673.08x = 259,009.62 × 83,850.46
  4. Step 4: Simplify right side
    172,673.08x = 21,718,075,781.43
  5. Step 5: Solve for x
    x = 21,718,075,781.43/172,673.08
  6. Step 6: Final answer
    x = 125,775.69

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1.5x scale

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.