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Finding the Fourth Proportional to 253,182.00, 379,716.51 and 75,665.95

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Solution

The fourth proportional to 253,182.00, 379,716.51 and 75,665.95 is: 113,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182.00 : 379,716.51 = 75,665.95 : x
  2. Step 2: Convert to fraction form
    253,182.00/379,716.51 = 75,665.95/x
  3. Step 3: Cross multiply
    253,182.00x = 379,716.51 × 75,665.95
  4. Step 4: Simplify right side
    253,182.00x = 28,731,609,368.67
  5. Step 5: Solve for x
    x = 28,731,609,368.67/253,182.00
  6. Step 6: Final answer
    x = 113,482.04

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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.