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Finding the Fourth Proportional to 173,403.78, 260,122.99 and 47,046.11

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Solution

The fourth proportional to 173,403.78, 260,122.99 and 47,046.11 is: 70,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.78 : 260,122.99 = 47,046.11 : x
  2. Step 2: Convert to fraction form
    173,403.78/260,122.99 = 47,046.11/x
  3. Step 3: Cross multiply
    173,403.78x = 260,122.99 × 47,046.11
  4. Step 4: Simplify right side
    173,403.78x = 12,237,774,801.07
  5. Step 5: Solve for x
    x = 12,237,774,801.07/173,403.78
  6. Step 6: Final answer
    x = 70,573.86

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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.