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Finding the Fourth Proportional to 155,773.44, 233,667.90 and 75,884.76

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Solution

The fourth proportional to 155,773.44, 233,667.90 and 75,884.76 is: 113,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,773.44 : 233,667.90 = 75,884.76 : x
  2. Step 2: Convert to fraction form
    155,773.44/233,667.90 = 75,884.76/x
  3. Step 3: Cross multiply
    155,773.44x = 233,667.90 × 75,884.76
  4. Step 4: Simplify right side
    155,773.44x = 17,731,832,511.20
  5. Step 5: Solve for x
    x = 17,731,832,511.20/155,773.44
  6. Step 6: Final answer
    x = 113,830.91

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1.5x scale

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.