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Finding the Fourth Proportional to 173,884.70, 260,827.05 and 120,230.30

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Solution

The fourth proportional to 173,884.70, 260,827.05 and 120,230.30 is: 180,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,884.70 : 260,827.05 = 120,230.30 : x
  2. Step 2: Convert to fraction form
    173,884.70/260,827.05 = 120,230.30/x
  3. Step 3: Cross multiply
    173,884.70x = 260,827.05 × 120,230.30
  4. Step 4: Simplify right side
    173,884.70x = 31,359,314,469.62
  5. Step 5: Solve for x
    x = 31,359,314,469.62/173,884.70
  6. Step 6: Final answer
    x = 180,345.45

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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.