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Finding the Fourth Proportional to 272,480.68, 376,012.69 and 151,627.06

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Solution

The fourth proportional to 272,480.68, 376,012.69 and 151,627.06 is: 209,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,480.68 : 376,012.69 = 151,627.06 : x
  2. Step 2: Convert to fraction form
    272,480.68/376,012.69 = 151,627.06/x
  3. Step 3: Cross multiply
    272,480.68x = 376,012.69 × 151,627.06
  4. Step 4: Simplify right side
    272,480.68x = 57,013,698,707.39
  5. Step 5: Solve for x
    x = 57,013,698,707.39/272,480.68
  6. Step 6: Final answer
    x = 209,239.42

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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.