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Finding the Fourth Proportional to 185,853.67, 256,477.39 and 100,969.99

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Solution

The fourth proportional to 185,853.67, 256,477.39 and 100,969.99 is: 139,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,853.67 : 256,477.39 = 100,969.99 : x
  2. Step 2: Convert to fraction form
    185,853.67/256,477.39 = 100,969.99/x
  3. Step 3: Cross multiply
    185,853.67x = 256,477.39 × 100,969.99
  4. Step 4: Simplify right side
    185,853.67x = 25,896,519,503.53
  5. Step 5: Solve for x
    x = 25,896,519,503.53/185,853.67
  6. Step 6: Final answer
    x = 139,338.22

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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.