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Finding the Fourth Proportional to 95,356.48, 132,194.72 and 90,300.80

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Solution

The fourth proportional to 95,356.48, 132,194.72 and 90,300.80 is: 125,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,356.48 : 132,194.72 = 90,300.80 : x
  2. Step 2: Convert to fraction form
    95,356.48/132,194.72 = 90,300.80/x
  3. Step 3: Cross multiply
    95,356.48x = 132,194.72 × 90,300.80
  4. Step 4: Simplify right side
    95,356.48x = 11,937,288,971.78
  5. Step 5: Solve for x
    x = 11,937,288,971.78/95,356.48
  6. Step 6: Final answer
    x = 125,185.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.