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Finding the Fourth Proportional to 173,847.70, 260,771.55 and 144,323.20

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Solution

The fourth proportional to 173,847.70, 260,771.55 and 144,323.20 is: 216,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,847.70 : 260,771.55 = 144,323.20 : x
  2. Step 2: Convert to fraction form
    173,847.70/260,771.55 = 144,323.20/x
  3. Step 3: Cross multiply
    173,847.70x = 260,771.55 × 144,323.20
  4. Step 4: Simplify right side
    173,847.70x = 37,635,384,564.96
  5. Step 5: Solve for x
    x = 37,635,384,564.96/173,847.70
  6. Step 6: Final answer
    x = 216,484.80

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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.