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Finding the Fourth Proportional to 115,779.66, 173,667.60 and 36,892.82

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Solution

The fourth proportional to 115,779.66, 173,667.60 and 36,892.82 is: 55,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,779.66 : 173,667.60 = 36,892.82 : x
  2. Step 2: Convert to fraction form
    115,779.66/173,667.60 = 36,892.82/x
  3. Step 3: Cross multiply
    115,779.66x = 173,667.60 × 36,892.82
  4. Step 4: Simplify right side
    115,779.66x = 6,407,087,506.63
  5. Step 5: Solve for x
    x = 6,407,087,506.63/115,779.66
  6. Step 6: Final answer
    x = 55,338.63

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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.