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Finding the Fourth Proportional to 185,203.83, 255,580.20 and 104,657.43

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Solution

The fourth proportional to 185,203.83, 255,580.20 and 104,657.43 is: 144,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,203.83 : 255,580.20 = 104,657.43 : x
  2. Step 2: Convert to fraction form
    185,203.83/255,580.20 = 104,657.43/x
  3. Step 3: Cross multiply
    185,203.83x = 255,580.20 × 104,657.43
  4. Step 4: Simplify right side
    185,203.83x = 26,748,366,890.89
  5. Step 5: Solve for x
    x = 26,748,366,890.89/185,203.83
  6. Step 6: Final answer
    x = 144,426.64

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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.