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Finding the Fourth Proportional to 173,399.60, 260,034.60 and 120,652.40

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Solution

The fourth proportional to 173,399.60, 260,034.60 and 120,652.40 is: 180,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,399.60 : 260,034.60 = 120,652.40 : x
  2. Step 2: Convert to fraction form
    173,399.60/260,034.60 = 120,652.40/x
  3. Step 3: Cross multiply
    173,399.60x = 260,034.60 × 120,652.40
  4. Step 4: Simplify right side
    173,399.60x = 31,373,798,573.04
  5. Step 5: Solve for x
    x = 31,373,798,573.04/173,399.60
  6. Step 6: Final answer
    x = 180,933.51

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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.