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Finding the Fourth Proportional to 272,447.84, 375,979.88 and 151,594.22

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Solution

The fourth proportional to 272,447.84, 375,979.88 and 151,594.22 is: 209,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,447.84 : 375,979.88 = 151,594.22 : x
  2. Step 2: Convert to fraction form
    272,447.84/375,979.88 = 151,594.22/x
  3. Step 3: Cross multiply
    272,447.84x = 375,979.88 × 151,594.22
  4. Step 4: Simplify right side
    272,447.84x = 56,996,376,644.29
  5. Step 5: Solve for x
    x = 56,996,376,644.29/272,447.84
  6. Step 6: Final answer
    x = 209,201.06

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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.