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Finding the Fourth Proportional to 173,830.60, 260,940.30 and 134,561.80

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Solution

The fourth proportional to 173,830.60, 260,940.30 and 134,561.80 is: 201,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,830.60 : 260,940.30 = 134,561.80 : x
  2. Step 2: Convert to fraction form
    173,830.60/260,940.30 = 134,561.80/x
  3. Step 3: Cross multiply
    173,830.60x = 260,940.30 × 134,561.80
  4. Step 4: Simplify right side
    173,830.60x = 35,112,596,460.54
  5. Step 5: Solve for x
    x = 35,112,596,460.54/173,830.60
  6. Step 6: Final answer
    x = 201,993.18

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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.