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Finding the Fourth Proportional to 173,727.90, 260,397.45 and 73,871.10

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Solution

The fourth proportional to 173,727.90, 260,397.45 and 73,871.10 is: 110,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,727.90 : 260,397.45 = 73,871.10 : x
  2. Step 2: Convert to fraction form
    173,727.90/260,397.45 = 73,871.10/x
  3. Step 3: Cross multiply
    173,727.90x = 260,397.45 × 73,871.10
  4. Step 4: Simplify right side
    173,727.90x = 19,235,846,068.70
  5. Step 5: Solve for x
    x = 19,235,846,068.70/173,727.90
  6. Step 6: Final answer
    x = 110,723.99

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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.