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Finding the Fourth Proportional to 115,954.84, 173,952.87 and 59,779.92

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Solution

The fourth proportional to 115,954.84, 173,952.87 and 59,779.92 is: 89,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,954.84 : 173,952.87 = 59,779.92 : x
  2. Step 2: Convert to fraction form
    115,954.84/173,952.87 = 59,779.92/x
  3. Step 3: Cross multiply
    115,954.84x = 173,952.87 × 59,779.92
  4. Step 4: Simplify right side
    115,954.84x = 10,398,889,080.52
  5. Step 5: Solve for x
    x = 10,398,889,080.52/115,954.84
  6. Step 6: Final answer
    x = 89,680.51

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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.