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Finding the Fourth Proportional to 185,659.97, 256,192.06 and 105,073.47

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Solution

The fourth proportional to 185,659.97, 256,192.06 and 105,073.47 is: 144,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,659.97 : 256,192.06 = 105,073.47 : x
  2. Step 2: Convert to fraction form
    185,659.97/256,192.06 = 105,073.47/x
  3. Step 3: Cross multiply
    185,659.97x = 256,192.06 × 105,073.47
  4. Step 4: Simplify right side
    185,659.97x = 26,918,988,352.85
  5. Step 5: Solve for x
    x = 26,918,988,352.85/185,659.97
  6. Step 6: Final answer
    x = 144,990.80

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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.