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Finding the Fourth Proportional to 101,053.38, 139,450.44 and 55,733.34

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Solution

The fourth proportional to 101,053.38, 139,450.44 and 55,733.34 is: 76,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,053.38 : 139,450.44 = 55,733.34 : x
  2. Step 2: Convert to fraction form
    101,053.38/139,450.44 = 55,733.34/x
  3. Step 3: Cross multiply
    101,053.38x = 139,450.44 × 55,733.34
  4. Step 4: Simplify right side
    101,053.38x = 7,772,038,785.67
  5. Step 5: Solve for x
    x = 7,772,038,785.67/101,053.38
  6. Step 6: Final answer
    x = 76,910.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.