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Finding the Fourth Proportional to 173,053.40, 259,061.70 and 102,896.60

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Solution

The fourth proportional to 173,053.40, 259,061.70 and 102,896.60 is: 154,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,053.40 : 259,061.70 = 102,896.60 : x
  2. Step 2: Convert to fraction form
    173,053.40/259,061.70 = 102,896.60/x
  3. Step 3: Cross multiply
    173,053.40x = 259,061.70 × 102,896.60
  4. Step 4: Simplify right side
    173,053.40x = 26,656,568,120.22
  5. Step 5: Solve for x
    x = 26,656,568,120.22/173,053.40
  6. Step 6: Final answer
    x = 154,036.66

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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.