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Finding the Fourth Proportional to 218,892.58, 328,321.33 and 97,350.75

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Solution

The fourth proportional to 218,892.58, 328,321.33 and 97,350.75 is: 146,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,892.58 : 328,321.33 = 97,350.75 : x
  2. Step 2: Convert to fraction form
    218,892.58/328,321.33 = 97,350.75/x
  3. Step 3: Cross multiply
    218,892.58x = 328,321.33 × 97,350.75
  4. Step 4: Simplify right side
    218,892.58x = 31,962,327,716.50
  5. Step 5: Solve for x
    x = 31,962,327,716.50/218,892.58
  6. Step 6: Final answer
    x = 146,018.32

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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.