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Finding the Fourth Proportional to 272,353.79, 375,870.93 and 151,517.84

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Solution

The fourth proportional to 272,353.79, 375,870.93 and 151,517.84 is: 209,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,353.79 : 375,870.93 = 151,517.84 : x
  2. Step 2: Convert to fraction form
    272,353.79/375,870.93 = 151,517.84/x
  3. Step 3: Cross multiply
    272,353.79x = 375,870.93 × 151,517.84
  4. Step 4: Simplify right side
    272,353.79x = 56,951,151,432.39
  5. Step 5: Solve for x
    x = 56,951,151,432.39/272,353.79
  6. Step 6: Final answer
    x = 209,107.25

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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.