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Finding the Fourth Proportional to 223,445.64, 335,176.56 and 73,689.60

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Solution

The fourth proportional to 223,445.64, 335,176.56 and 73,689.60 is: 110,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,445.64 : 335,176.56 = 73,689.60 : x
  2. Step 2: Convert to fraction form
    223,445.64/335,176.56 = 73,689.60/x
  3. Step 3: Cross multiply
    223,445.64x = 335,176.56 × 73,689.60
  4. Step 4: Simplify right side
    223,445.64x = 24,699,026,635.78
  5. Step 5: Solve for x
    x = 24,699,026,635.78/223,445.64
  6. Step 6: Final answer
    x = 110,537.07

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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.