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Finding the Fourth Proportional to 272,353.94, 375,822.05 and 157,609.79

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Solution

The fourth proportional to 272,353.94, 375,822.05 and 157,609.79 is: 217,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,353.94 : 375,822.05 = 157,609.79 : x
  2. Step 2: Convert to fraction form
    272,353.94/375,822.05 = 157,609.79/x
  3. Step 3: Cross multiply
    272,353.94x = 375,822.05 × 157,609.79
  4. Step 4: Simplify right side
    272,353.94x = 59,233,231,710.71
  5. Step 5: Solve for x
    x = 59,233,231,710.71/272,353.94
  6. Step 6: Final answer
    x = 217,486.23

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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.