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Finding the Fourth Proportional to 174,235.60, 261,353.40 and 80,923.60

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Solution

The fourth proportional to 174,235.60, 261,353.40 and 80,923.60 is: 121,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,235.60 : 261,353.40 = 80,923.60 : x
  2. Step 2: Convert to fraction form
    174,235.60/261,353.40 = 80,923.60/x
  3. Step 3: Cross multiply
    174,235.60x = 261,353.40 × 80,923.60
  4. Step 4: Simplify right side
    174,235.60x = 21,149,658,000.24
  5. Step 5: Solve for x
    x = 21,149,658,000.24/174,235.60
  6. Step 6: Final answer
    x = 121,385.40

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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.