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Finding the Fourth Proportional to 223,630.40, 335,445.60 and 73,870.40

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Solution

The fourth proportional to 223,630.40, 335,445.60 and 73,870.40 is: 110,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,630.40 : 335,445.60 = 73,870.40 : x
  2. Step 2: Convert to fraction form
    223,630.40/335,445.60 = 73,870.40/x
  3. Step 3: Cross multiply
    223,630.40x = 335,445.60 × 73,870.40
  4. Step 4: Simplify right side
    223,630.40x = 24,779,500,650.24
  5. Step 5: Solve for x
    x = 24,779,500,650.24/223,630.40
  6. Step 6: Final answer
    x = 110,805.60

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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.