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Finding the Fourth Proportional to 101,794.42, 140,384.25 and 63,557.41

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Solution

The fourth proportional to 101,794.42, 140,384.25 and 63,557.41 is: 87,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,794.42 : 140,384.25 = 63,557.41 : x
  2. Step 2: Convert to fraction form
    101,794.42/140,384.25 = 63,557.41/x
  3. Step 3: Cross multiply
    101,794.42x = 140,384.25 × 63,557.41
  4. Step 4: Simplify right side
    101,794.42x = 8,922,459,334.79
  5. Step 5: Solve for x
    x = 8,922,459,334.79/101,794.42
  6. Step 6: Final answer
    x = 87,651.75

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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.