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Finding the Fourth Proportional to 161,897.75, 223,418.90 and 94,829.75

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Solution

The fourth proportional to 161,897.75, 223,418.90 and 94,829.75 is: 130,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,897.75 : 223,418.90 = 94,829.75 : x
  2. Step 2: Convert to fraction form
    161,897.75/223,418.90 = 94,829.75/x
  3. Step 3: Cross multiply
    161,897.75x = 223,418.90 × 94,829.75
  4. Step 4: Simplify right side
    161,897.75x = 21,186,758,432.28
  5. Step 5: Solve for x
    x = 21,186,758,432.28/161,897.75
  6. Step 6: Final answer
    x = 130,865.06

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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.