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Finding the Fourth Proportional to 174,226.60, 260,951.10 and 143,122.60

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Solution

The fourth proportional to 174,226.60, 260,951.10 and 143,122.60 is: 214,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,226.60 : 260,951.10 = 143,122.60 : x
  2. Step 2: Convert to fraction form
    174,226.60/260,951.10 = 143,122.60/x
  3. Step 3: Cross multiply
    174,226.60x = 260,951.10 × 143,122.60
  4. Step 4: Simplify right side
    174,226.60x = 37,347,999,904.86
  5. Step 5: Solve for x
    x = 37,347,999,904.86/174,226.60
  6. Step 6: Final answer
    x = 214,364.51

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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.