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Finding the Fourth Proportional to 185,816.41, 256,421.22 and 100,933.27

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Solution

The fourth proportional to 185,816.41, 256,421.22 and 100,933.27 is: 139,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,816.41 : 256,421.22 = 100,933.27 : x
  2. Step 2: Convert to fraction form
    185,816.41/256,421.22 = 100,933.27/x
  3. Step 3: Cross multiply
    185,816.41x = 256,421.22 × 100,933.27
  4. Step 4: Simplify right side
    185,816.41x = 25,881,432,231.99
  5. Step 5: Solve for x
    x = 25,881,432,231.99/185,816.41
  6. Step 6: Final answer
    x = 139,284.97

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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.