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Finding the Fourth Proportional to 173,430.63, 239,329.22 and 96,949.85

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Solution

The fourth proportional to 173,430.63, 239,329.22 and 96,949.85 is: 133,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430.63 : 239,329.22 = 96,949.85 : x
  2. Step 2: Convert to fraction form
    173,430.63/239,329.22 = 96,949.85/x
  3. Step 3: Cross multiply
    173,430.63x = 239,329.22 × 96,949.85
  4. Step 4: Simplify right side
    173,430.63x = 23,202,930,298.22
  5. Step 5: Solve for x
    x = 23,202,930,298.22/173,430.63
  6. Step 6: Final answer
    x = 133,787.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.