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Finding the Fourth Proportional to 272,040.67, 375,439.99 and 151,206.49

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Solution

The fourth proportional to 272,040.67, 375,439.99 and 151,206.49 is: 208,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,040.67 : 375,439.99 = 151,206.49 : x
  2. Step 2: Convert to fraction form
    272,040.67/375,439.99 = 151,206.49/x
  3. Step 3: Cross multiply
    272,040.67x = 375,439.99 × 151,206.49
  4. Step 4: Simplify right side
    272,040.67x = 56,768,961,776.92
  5. Step 5: Solve for x
    x = 56,768,961,776.92/272,040.67
  6. Step 6: Final answer
    x = 208,678.22

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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.