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Finding the Fourth Proportional to 173,772.80, 260,221.80 and 114,286.40

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Solution

The fourth proportional to 173,772.80, 260,221.80 and 114,286.40 is: 171,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,772.80 : 260,221.80 = 114,286.40 : x
  2. Step 2: Convert to fraction form
    173,772.80/260,221.80 = 114,286.40/x
  3. Step 3: Cross multiply
    173,772.80x = 260,221.80 × 114,286.40
  4. Step 4: Simplify right side
    173,772.80x = 29,739,812,723.52
  5. Step 5: Solve for x
    x = 29,739,812,723.52/173,772.80
  6. Step 6: Final answer
    x = 171,141.93

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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.