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Finding the Fourth Proportional to 98,836.74, 148,108.50 and 51,947.46

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Solution

The fourth proportional to 98,836.74, 148,108.50 and 51,947.46 is: 77,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,836.74 : 148,108.50 = 51,947.46 : x
  2. Step 2: Convert to fraction form
    98,836.74/148,108.50 = 51,947.46/x
  3. Step 3: Cross multiply
    98,836.74x = 148,108.50 × 51,947.46
  4. Step 4: Simplify right side
    98,836.74x = 7,693,860,379.41
  5. Step 5: Solve for x
    x = 7,693,860,379.41/98,836.74
  6. Step 6: Final answer
    x = 77,844.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.