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Finding the Fourth Proportional to 173,402.78, 260,121.49 and 47,045.11

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Solution

The fourth proportional to 173,402.78, 260,121.49 and 47,045.11 is: 70,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,402.78 : 260,121.49 = 47,045.11 : x
  2. Step 2: Convert to fraction form
    173,402.78/260,121.49 = 47,045.11/x
  3. Step 3: Cross multiply
    173,402.78x = 260,121.49 × 47,045.11
  4. Step 4: Simplify right side
    173,402.78x = 12,237,444,110.41
  5. Step 5: Solve for x
    x = 12,237,444,110.41/173,402.78
  6. Step 6: Final answer
    x = 70,572.36

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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.