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Finding the Fourth Proportional to 185,635.54, 256,175.54 and 100,752.62

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Solution

The fourth proportional to 185,635.54, 256,175.54 and 100,752.62 is: 139,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.54 : 256,175.54 = 100,752.62 : x
  2. Step 2: Convert to fraction form
    185,635.54/256,175.54 = 100,752.62/x
  3. Step 3: Cross multiply
    185,635.54x = 256,175.54 × 100,752.62
  4. Step 4: Simplify right side
    185,635.54x = 25,810,356,834.91
  5. Step 5: Solve for x
    x = 25,810,356,834.91/185,635.54
  6. Step 6: Final answer
    x = 139,037.80

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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.