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Finding the Fourth Proportional to 272,374.88, 408,564.14 and 94,885.25

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Solution

The fourth proportional to 272,374.88, 408,564.14 and 94,885.25 is: 142,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,374.88 : 408,564.14 = 94,885.25 : x
  2. Step 2: Convert to fraction form
    272,374.88/408,564.14 = 94,885.25/x
  3. Step 3: Cross multiply
    272,374.88x = 408,564.14 × 94,885.25
  4. Step 4: Simplify right side
    272,374.88x = 38,766,710,564.94
  5. Step 5: Solve for x
    x = 38,766,710,564.94/272,374.88
  6. Step 6: Final answer
    x = 142,328.51

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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.