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Finding the Fourth Proportional to 115,780.60, 173,670.90 and 32,674.60

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Solution

The fourth proportional to 115,780.60, 173,670.90 and 32,674.60 is: 49,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,780.60 : 173,670.90 = 32,674.60 : x
  2. Step 2: Convert to fraction form
    115,780.60/173,670.90 = 32,674.60/x
  3. Step 3: Cross multiply
    115,780.60x = 173,670.90 × 32,674.60
  4. Step 4: Simplify right side
    115,780.60x = 5,674,627,189.14
  5. Step 5: Solve for x
    x = 5,674,627,189.14/115,780.60
  6. Step 6: Final answer
    x = 49,011.90

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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.