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Finding the Fourth Proportional to 173,814.10, 260,818.35 and 73,957.30

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Solution

The fourth proportional to 173,814.10, 260,818.35 and 73,957.30 is: 110,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,814.10 : 260,818.35 = 73,957.30 : x
  2. Step 2: Convert to fraction form
    173,814.10/260,818.35 = 73,957.30/x
  3. Step 3: Cross multiply
    173,814.10x = 260,818.35 × 73,957.30
  4. Step 4: Simplify right side
    173,814.10x = 19,289,420,956.46
  5. Step 5: Solve for x
    x = 19,289,420,956.46/173,814.10
  6. Step 6: Final answer
    x = 110,977.31

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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.