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Finding the Fourth Proportional to 121,895.40, 182,770.20 and 62,846.40

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Solution

The fourth proportional to 121,895.40, 182,770.20 and 62,846.40 is: 94,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,895.40 : 182,770.20 = 62,846.40 : x
  2. Step 2: Convert to fraction form
    121,895.40/182,770.20 = 62,846.40/x
  3. Step 3: Cross multiply
    121,895.40x = 182,770.20 × 62,846.40
  4. Step 4: Simplify right side
    121,895.40x = 11,486,449,097.28
  5. Step 5: Solve for x
    x = 11,486,449,097.28/121,895.40
  6. Step 6: Final answer
    x = 94,232.01

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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.