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Finding the Fourth Proportional to 173,383.70, 260,140.35 and 68,275.94

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Solution

The fourth proportional to 173,383.70, 260,140.35 and 68,275.94 is: 102,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,383.70 : 260,140.35 = 68,275.94 : x
  2. Step 2: Convert to fraction form
    173,383.70/260,140.35 = 68,275.94/x
  3. Step 3: Cross multiply
    173,383.70x = 260,140.35 × 68,275.94
  4. Step 4: Simplify right side
    173,383.70x = 17,761,326,928.18
  5. Step 5: Solve for x
    x = 17,761,326,928.18/173,383.70
  6. Step 6: Final answer
    x = 102,439.43

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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.