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Finding the Fourth Proportional to 140,493.69, 210,739.39 and 60,588.16

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Solution

The fourth proportional to 140,493.69, 210,739.39 and 60,588.16 is: 90,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,493.69 : 210,739.39 = 60,588.16 : x
  2. Step 2: Convert to fraction form
    140,493.69/210,739.39 = 60,588.16/x
  3. Step 3: Cross multiply
    140,493.69x = 210,739.39 × 60,588.16
  4. Step 4: Simplify right side
    140,493.69x = 12,768,311,201.30
  5. Step 5: Solve for x
    x = 12,768,311,201.30/140,493.69
  6. Step 6: Final answer
    x = 90,881.74

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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.