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Finding the Fourth Proportional to 173,339, 260,008.50 and 42,011

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Solution

The fourth proportional to 173,339, 260,008.50 and 42,011 is: 63,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,339 : 260,008.50 = 42,011 : x
  2. Step 2: Convert to fraction form
    173,339/260,008.50 = 42,011/x
  3. Step 3: Cross multiply
    173,339x = 260,008.50 × 42,011
  4. Step 4: Simplify right side
    173,339x = 10,923,217,093.50
  5. Step 5: Solve for x
    x = 10,923,217,093.50/173,339
  6. Step 6: Final answer
    x = 63,016.50

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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.