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Finding the Fourth Proportional to 272,494.95, 408,326.03 and 114,636.87

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Solution

The fourth proportional to 272,494.95, 408,326.03 and 114,636.87 is: 171,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,494.95 : 408,326.03 = 114,636.87 : x
  2. Step 2: Convert to fraction form
    272,494.95/408,326.03 = 114,636.87/x
  3. Step 3: Cross multiply
    272,494.95x = 408,326.03 × 114,636.87
  4. Step 4: Simplify right side
    272,494.95x = 46,809,217,445.54
  5. Step 5: Solve for x
    x = 46,809,217,445.54/272,494.95
  6. Step 6: Final answer
    x = 171,780.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.