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Finding the Fourth Proportional to 356,591.46, 534,969.99 and 103,877.94

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Solution

The fourth proportional to 356,591.46, 534,969.99 and 103,877.94 is: 155,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,591.46 : 534,969.99 = 103,877.94 : x
  2. Step 2: Convert to fraction form
    356,591.46/534,969.99 = 103,877.94/x
  3. Step 3: Cross multiply
    356,591.46x = 534,969.99 × 103,877.94
  4. Step 4: Simplify right side
    356,591.46x = 55,571,580,523.02
  5. Step 5: Solve for x
    x = 55,571,580,523.02/356,591.46
  6. Step 6: Final answer
    x = 155,841.03

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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.