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Finding the Fourth Proportional to 173,406, 260,103.18 and 73,501.94

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Solution

The fourth proportional to 173,406, 260,103.18 and 73,501.94 is: 110,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406 : 260,103.18 = 73,501.94 : x
  2. Step 2: Convert to fraction form
    173,406/260,103.18 = 73,501.94/x
  3. Step 3: Cross multiply
    173,406x = 260,103.18 × 73,501.94
  4. Step 4: Simplify right side
    173,406x = 19,118,088,330.17
  5. Step 5: Solve for x
    x = 19,118,088,330.17/173,406
  6. Step 6: Final answer
    x = 110,250.44

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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.