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Finding the Fourth Proportional to 146,332.12, 201,934.20 and 85,901.80

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Solution

The fourth proportional to 146,332.12, 201,934.20 and 85,901.80 is: 118,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,332.12 : 201,934.20 = 85,901.80 : x
  2. Step 2: Convert to fraction form
    146,332.12/201,934.20 = 85,901.80/x
  3. Step 3: Cross multiply
    146,332.12x = 201,934.20 × 85,901.80
  4. Step 4: Simplify right side
    146,332.12x = 17,346,511,261.56
  5. Step 5: Solve for x
    x = 17,346,511,261.56/146,332.12
  6. Step 6: Final answer
    x = 118,542.06

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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.