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Finding the Fourth Proportional to 117,131.54, 175,730.13 and 47,060.06

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Solution

The fourth proportional to 117,131.54, 175,730.13 and 47,060.06 is: 70,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,131.54 : 175,730.13 = 47,060.06 : x
  2. Step 2: Convert to fraction form
    117,131.54/175,730.13 = 47,060.06/x
  3. Step 3: Cross multiply
    117,131.54x = 175,730.13 × 47,060.06
  4. Step 4: Simplify right side
    117,131.54x = 8,269,869,582.96
  5. Step 5: Solve for x
    x = 8,269,869,582.96/117,131.54
  6. Step 6: Final answer
    x = 70,603.27

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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.