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Finding the Fourth Proportional to 185,752.56, 256,331.28 and 100,867.68

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Solution

The fourth proportional to 185,752.56, 256,331.28 and 100,867.68 is: 139,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,752.56 : 256,331.28 = 100,867.68 : x
  2. Step 2: Convert to fraction form
    185,752.56/256,331.28 = 100,867.68/x
  3. Step 3: Cross multiply
    185,752.56x = 256,331.28 × 100,867.68
  4. Step 4: Simplify right side
    185,752.56x = 25,855,541,525.03
  5. Step 5: Solve for x
    x = 25,855,541,525.03/185,752.56
  6. Step 6: Final answer
    x = 139,193.46

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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.