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Finding the Fourth Proportional to 185,605.88, 256,133.40 and 109,133.60

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Solution

The fourth proportional to 185,605.88, 256,133.40 and 109,133.60 is: 150,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,605.88 : 256,133.40 = 109,133.60 : x
  2. Step 2: Convert to fraction form
    185,605.88/256,133.40 = 109,133.60/x
  3. Step 3: Cross multiply
    185,605.88x = 256,133.40 × 109,133.60
  4. Step 4: Simplify right side
    185,605.88x = 27,952,760,022.24
  5. Step 5: Solve for x
    x = 27,952,760,022.24/185,605.88
  6. Step 6: Final answer
    x = 150,602.77

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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.