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Finding the Fourth Proportional to 140,682.84, 211,024.26 and 47,188.32

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Solution

The fourth proportional to 140,682.84, 211,024.26 and 47,188.32 is: 70,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,682.84 : 211,024.26 = 47,188.32 : x
  2. Step 2: Convert to fraction form
    140,682.84/211,024.26 = 47,188.32/x
  3. Step 3: Cross multiply
    140,682.84x = 211,024.26 × 47,188.32
  4. Step 4: Simplify right side
    140,682.84x = 9,957,880,308.64
  5. Step 5: Solve for x
    x = 9,957,880,308.64/140,682.84
  6. Step 6: Final answer
    x = 70,782.48

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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.