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Finding the Fourth Proportional to 173,192.70, 259,789.05 and 166,280.70

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Solution

The fourth proportional to 173,192.70, 259,789.05 and 166,280.70 is: 249,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,192.70 : 259,789.05 = 166,280.70 : x
  2. Step 2: Convert to fraction form
    173,192.70/259,789.05 = 166,280.70/x
  3. Step 3: Cross multiply
    173,192.70x = 259,789.05 × 166,280.70
  4. Step 4: Simplify right side
    173,192.70x = 43,197,905,086.34
  5. Step 5: Solve for x
    x = 43,197,905,086.34/173,192.70
  6. Step 6: Final answer
    x = 249,421.05

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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.