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Finding the Fourth Proportional to 173,634.70, 260,533.08 and 61,399.92

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Solution

The fourth proportional to 173,634.70, 260,533.08 and 61,399.92 is: 92,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,634.70 : 260,533.08 = 61,399.92 : x
  2. Step 2: Convert to fraction form
    173,634.70/260,533.08 = 61,399.92/x
  3. Step 3: Cross multiply
    173,634.70x = 260,533.08 × 61,399.92
  4. Step 4: Simplify right side
    173,634.70x = 15,996,710,269.35
  5. Step 5: Solve for x
    x = 15,996,710,269.35/173,634.70
  6. Step 6: Final answer
    x = 92,128.53

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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.