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Finding the Fourth Proportional to 223,255.60, 334,920.30 and 103,432.30

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Solution

The fourth proportional to 223,255.60, 334,920.30 and 103,432.30 is: 155,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,255.60 : 334,920.30 = 103,432.30 : x
  2. Step 2: Convert to fraction form
    223,255.60/334,920.30 = 103,432.30/x
  3. Step 3: Cross multiply
    223,255.60x = 334,920.30 × 103,432.30
  4. Step 4: Simplify right side
    223,255.60x = 34,641,576,945.69
  5. Step 5: Solve for x
    x = 34,641,576,945.69/223,255.60
  6. Step 6: Final answer
    x = 155,165.55

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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.