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Finding the Fourth Proportional to 223,043.48, 334,630.74 and 89,855.24

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Solution

The fourth proportional to 223,043.48, 334,630.74 and 89,855.24 is: 134,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,043.48 : 334,630.74 = 89,855.24 : x
  2. Step 2: Convert to fraction form
    223,043.48/334,630.74 = 89,855.24/x
  3. Step 3: Cross multiply
    223,043.48x = 334,630.74 × 89,855.24
  4. Step 4: Simplify right side
    223,043.48x = 30,068,325,454.08
  5. Step 5: Solve for x
    x = 30,068,325,454.08/223,043.48
  6. Step 6: Final answer
    x = 134,809.26

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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.