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Finding the Fourth Proportional to 185,323.29, 255,744.27 and 103,650.68

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Solution

The fourth proportional to 185,323.29, 255,744.27 and 103,650.68 is: 143,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,323.29 : 255,744.27 = 103,650.68 : x
  2. Step 2: Convert to fraction form
    185,323.29/255,744.27 = 103,650.68/x
  3. Step 3: Cross multiply
    185,323.29x = 255,744.27 × 103,650.68
  4. Step 4: Simplify right side
    185,323.29x = 26,508,068,130.96
  5. Step 5: Solve for x
    x = 26,508,068,130.96/185,323.29
  6. Step 6: Final answer
    x = 143,036.90

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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.