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Finding the Fourth Proportional to 173,513.40, 259,751.70 and 103,356.60

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Solution

The fourth proportional to 173,513.40, 259,751.70 and 103,356.60 is: 154,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,513.40 : 259,751.70 = 103,356.60 : x
  2. Step 2: Convert to fraction form
    173,513.40/259,751.70 = 103,356.60/x
  3. Step 3: Cross multiply
    173,513.40x = 259,751.70 × 103,356.60
  4. Step 4: Simplify right side
    173,513.40x = 26,847,052,556.22
  5. Step 5: Solve for x
    x = 26,847,052,556.22/173,513.40
  6. Step 6: Final answer
    x = 154,726.11

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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.