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Finding the Fourth Proportional to 173,446.60, 260,105.10 and 120,699.40

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Solution

The fourth proportional to 173,446.60, 260,105.10 and 120,699.40 is: 181,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,446.60 : 260,105.10 = 120,699.40 : x
  2. Step 2: Convert to fraction form
    173,446.60/260,105.10 = 120,699.40/x
  3. Step 3: Cross multiply
    173,446.60x = 260,105.10 × 120,699.40
  4. Step 4: Simplify right side
    173,446.60x = 31,394,529,506.94
  5. Step 5: Solve for x
    x = 31,394,529,506.94/173,446.60
  6. Step 6: Final answer
    x = 181,004.01

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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.