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Finding the Fourth Proportional to 173,876.38, 260,476.14 and 128,200.84

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Solution

The fourth proportional to 173,876.38, 260,476.14 and 128,200.84 is: 192,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,876.38 : 260,476.14 = 128,200.84 : x
  2. Step 2: Convert to fraction form
    173,876.38/260,476.14 = 128,200.84/x
  3. Step 3: Cross multiply
    173,876.38x = 260,476.14 × 128,200.84
  4. Step 4: Simplify right side
    173,876.38x = 33,393,259,947.96
  5. Step 5: Solve for x
    x = 33,393,259,947.96/173,876.38
  6. Step 6: Final answer
    x = 192,051.73

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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.