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Finding the Fourth Proportional to 185,285.66, 255,600.29 and 117,187.94

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Solution

The fourth proportional to 185,285.66, 255,600.29 and 117,187.94 is: 161,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,285.66 : 255,600.29 = 117,187.94 : x
  2. Step 2: Convert to fraction form
    185,285.66/255,600.29 = 117,187.94/x
  3. Step 3: Cross multiply
    185,285.66x = 255,600.29 × 117,187.94
  4. Step 4: Simplify right side
    185,285.66x = 29,953,272,380.47
  5. Step 5: Solve for x
    x = 29,953,272,380.47/185,285.66
  6. Step 6: Final answer
    x = 161,659.96

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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.