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Finding the Fourth Proportional to 272,247.53, 375,710.69 and 149,745.08

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Solution

The fourth proportional to 272,247.53, 375,710.69 and 149,745.08 is: 206,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,247.53 : 375,710.69 = 149,745.08 : x
  2. Step 2: Convert to fraction form
    272,247.53/375,710.69 = 149,745.08/x
  3. Step 3: Cross multiply
    272,247.53x = 375,710.69 × 149,745.08
  4. Step 4: Simplify right side
    272,247.53x = 56,260,824,703.63
  5. Step 5: Solve for x
    x = 56,260,824,703.63/272,247.53
  6. Step 6: Final answer
    x = 206,653.21

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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.