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Finding the Fourth Proportional to 255,625.59, 352,747.25 and 140,897.92

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Solution

The fourth proportional to 255,625.59, 352,747.25 and 140,897.92 is: 194,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,625.59 : 352,747.25 = 140,897.92 : x
  2. Step 2: Convert to fraction form
    255,625.59/352,747.25 = 140,897.92/x
  3. Step 3: Cross multiply
    255,625.59x = 352,747.25 × 140,897.92
  4. Step 4: Simplify right side
    255,625.59x = 49,701,353,810.72
  5. Step 5: Solve for x
    x = 49,701,353,810.72/255,625.59
  6. Step 6: Final answer
    x = 194,430.28

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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.