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Finding the Fourth Proportional to 223,155.60, 334,733.40 and 82,885.20

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Solution

The fourth proportional to 223,155.60, 334,733.40 and 82,885.20 is: 124,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,155.60 : 334,733.40 = 82,885.20 : x
  2. Step 2: Convert to fraction form
    223,155.60/334,733.40 = 82,885.20/x
  3. Step 3: Cross multiply
    223,155.60x = 334,733.40 × 82,885.20
  4. Step 4: Simplify right side
    223,155.60x = 27,744,444,805.68
  5. Step 5: Solve for x
    x = 27,744,444,805.68/223,155.60
  6. Step 6: Final answer
    x = 124,327.80

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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.