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Finding the Fourth Proportional to 108,733.75, 150,052.98 and 63,443.01

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Solution

The fourth proportional to 108,733.75, 150,052.98 and 63,443.01 is: 87,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.75 : 150,052.98 = 63,443.01 : x
  2. Step 2: Convert to fraction form
    108,733.75/150,052.98 = 63,443.01/x
  3. Step 3: Cross multiply
    108,733.75x = 150,052.98 × 63,443.01
  4. Step 4: Simplify right side
    108,733.75x = 9,519,812,710.67
  5. Step 5: Solve for x
    x = 9,519,812,710.67/108,733.75
  6. Step 6: Final answer
    x = 87,551.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.