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Finding the Fourth Proportional to 255,751.86, 352,929.84 and 141,030.44

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Solution

The fourth proportional to 255,751.86, 352,929.84 and 141,030.44 is: 194,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,751.86 : 352,929.84 = 141,030.44 : x
  2. Step 2: Convert to fraction form
    255,751.86/352,929.84 = 141,030.44/x
  3. Step 3: Cross multiply
    255,751.86x = 352,929.84 × 141,030.44
  4. Step 4: Simplify right side
    255,751.86x = 49,773,850,624.33
  5. Step 5: Solve for x
    x = 49,773,850,624.33/255,751.86
  6. Step 6: Final answer
    x = 194,617.75

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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.