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Finding the Fourth Proportional to 173,221.44, 259,918.29 and 97,272.78

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Solution

The fourth proportional to 173,221.44, 259,918.29 and 97,272.78 is: 145,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,221.44 : 259,918.29 = 97,272.78 : x
  2. Step 2: Convert to fraction form
    173,221.44/259,918.29 = 97,272.78/x
  3. Step 3: Cross multiply
    173,221.44x = 259,918.29 × 97,272.78
  4. Step 4: Simplify right side
    173,221.44x = 25,282,974,641.15
  5. Step 5: Solve for x
    x = 25,282,974,641.15/173,221.44
  6. Step 6: Final answer
    x = 145,957.54

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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.