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Finding the Fourth Proportional to 177,347.78, 244,745.30 and 100,877.86

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Solution

The fourth proportional to 177,347.78, 244,745.30 and 100,877.86 is: 139,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,347.78 : 244,745.30 = 100,877.86 : x
  2. Step 2: Convert to fraction form
    177,347.78/244,745.30 = 100,877.86/x
  3. Step 3: Cross multiply
    177,347.78x = 244,745.30 × 100,877.86
  4. Step 4: Simplify right side
    177,347.78x = 24,689,382,109.06
  5. Step 5: Solve for x
    x = 24,689,382,109.06/177,347.78
  6. Step 6: Final answer
    x = 139,214.50

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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.