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Finding the Fourth Proportional to 272,035.30, 408,052.95 and 183,561.70

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Solution

The fourth proportional to 272,035.30, 408,052.95 and 183,561.70 is: 275,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,035.30 : 408,052.95 = 183,561.70 : x
  2. Step 2: Convert to fraction form
    272,035.30/408,052.95 = 183,561.70/x
  3. Step 3: Cross multiply
    272,035.30x = 408,052.95 × 183,561.70
  4. Step 4: Simplify right side
    272,035.30x = 74,902,893,192.02
  5. Step 5: Solve for x
    x = 74,902,893,192.02/272,035.30
  6. Step 6: Final answer
    x = 275,342.55

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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.