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Finding the Fourth Proportional to 253,984.06, 350,502.06 and 139,273.17

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Solution

The fourth proportional to 253,984.06, 350,502.06 and 139,273.17 is: 192,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984.06 : 350,502.06 = 139,273.17 : x
  2. Step 2: Convert to fraction form
    253,984.06/350,502.06 = 139,273.17/x
  3. Step 3: Cross multiply
    253,984.06x = 350,502.06 × 139,273.17
  4. Step 4: Simplify right side
    253,984.06x = 48,815,533,775.49
  5. Step 5: Solve for x
    x = 48,815,533,775.49/253,984.06
  6. Step 6: Final answer
    x = 192,199.21

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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.