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Finding the Fourth Proportional to 113,093.80, 169,640.70 and 73,695.40

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Solution

The fourth proportional to 113,093.80, 169,640.70 and 73,695.40 is: 110,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,093.80 : 169,640.70 = 73,695.40 : x
  2. Step 2: Convert to fraction form
    113,093.80/169,640.70 = 73,695.40/x
  3. Step 3: Cross multiply
    113,093.80x = 169,640.70 × 73,695.40
  4. Step 4: Simplify right side
    113,093.80x = 12,501,739,242.78
  5. Step 5: Solve for x
    x = 12,501,739,242.78/113,093.80
  6. Step 6: Final answer
    x = 110,543.10

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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.