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Finding the Fourth Proportional to 178,015.79, 245,659.84 and 101,532.91

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Solution

The fourth proportional to 178,015.79, 245,659.84 and 101,532.91 is: 140,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,015.79 : 245,659.84 = 101,532.91 : x
  2. Step 2: Convert to fraction form
    178,015.79/245,659.84 = 101,532.91/x
  3. Step 3: Cross multiply
    178,015.79x = 245,659.84 × 101,532.91
  4. Step 4: Simplify right side
    178,015.79x = 24,942,558,425.33
  5. Step 5: Solve for x
    x = 24,942,558,425.33/178,015.79
  6. Step 6: Final answer
    x = 140,114.30

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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.