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Finding the Fourth Proportional to 140,438.88, 209,593.44 and 134,723.52

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Solution

The fourth proportional to 140,438.88, 209,593.44 and 134,723.52 is: 201,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,438.88 : 209,593.44 = 134,723.52 : x
  2. Step 2: Convert to fraction form
    140,438.88/209,593.44 = 134,723.52/x
  3. Step 3: Cross multiply
    140,438.88x = 209,593.44 × 134,723.52
  4. Step 4: Simplify right side
    140,438.88x = 28,237,166,005.71
  5. Step 5: Solve for x
    x = 28,237,166,005.71/140,438.88
  6. Step 6: Final answer
    x = 201,063.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.