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Finding the Fourth Proportional to 185,633.54, 256,172.78 and 100,750.62

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Solution

The fourth proportional to 185,633.54, 256,172.78 and 100,750.62 is: 139,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,633.54 : 256,172.78 = 100,750.62 : x
  2. Step 2: Convert to fraction form
    185,633.54/256,172.78 = 100,750.62/x
  3. Step 3: Cross multiply
    185,633.54x = 256,172.78 × 100,750.62
  4. Step 4: Simplify right side
    185,633.54x = 25,809,566,412.12
  5. Step 5: Solve for x
    x = 25,809,566,412.12/185,633.54
  6. Step 6: Final answer
    x = 139,035.04

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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.