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Finding the Fourth Proportional to 173,059.80, 259,705.80 and 60,739.80

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Solution

The fourth proportional to 173,059.80, 259,705.80 and 60,739.80 is: 91,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,059.80 : 259,705.80 = 60,739.80 : x
  2. Step 2: Convert to fraction form
    173,059.80/259,705.80 = 60,739.80/x
  3. Step 3: Cross multiply
    173,059.80x = 259,705.80 × 60,739.80
  4. Step 4: Simplify right side
    173,059.80x = 15,774,478,350.84
  5. Step 5: Solve for x
    x = 15,774,478,350.84/173,059.80
  6. Step 6: Final answer
    x = 91,150.45

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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.