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Finding the Fourth Proportional to 185,903.51, 256,536.32 and 101,019.96

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Solution

The fourth proportional to 185,903.51, 256,536.32 and 101,019.96 is: 139,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,903.51 : 256,536.32 = 101,019.96 : x
  2. Step 2: Convert to fraction form
    185,903.51/256,536.32 = 101,019.96/x
  3. Step 3: Cross multiply
    185,903.51x = 256,536.32 × 101,019.96
  4. Step 4: Simplify right side
    185,903.51x = 25,915,288,279.85
  5. Step 5: Solve for x
    x = 25,915,288,279.85/185,903.51
  6. Step 6: Final answer
    x = 139,401.83

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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.