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Finding the Fourth Proportional to 151,903.40, 227,855.10 and 92,805.80

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Solution

The fourth proportional to 151,903.40, 227,855.10 and 92,805.80 is: 139,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903.40 : 227,855.10 = 92,805.80 : x
  2. Step 2: Convert to fraction form
    151,903.40/227,855.10 = 92,805.80/x
  3. Step 3: Cross multiply
    151,903.40x = 227,855.10 × 92,805.80
  4. Step 4: Simplify right side
    151,903.40x = 21,146,274,839.58
  5. Step 5: Solve for x
    x = 21,146,274,839.58/151,903.40
  6. Step 6: Final answer
    x = 139,208.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.