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Finding the Fourth Proportional to 113,751.89, 170,554.93 and 47,237.93

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Solution

The fourth proportional to 113,751.89, 170,554.93 and 47,237.93 is: 70,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,751.89 : 170,554.93 = 47,237.93 : x
  2. Step 2: Convert to fraction form
    113,751.89/170,554.93 = 47,237.93/x
  3. Step 3: Cross multiply
    113,751.89x = 170,554.93 × 47,237.93
  4. Step 4: Simplify right side
    113,751.89x = 8,056,660,755.53
  5. Step 5: Solve for x
    x = 8,056,660,755.53/113,751.89
  6. Step 6: Final answer
    x = 70,826.61

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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.