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Finding the Fourth Proportional to 561,182.93, 841,898.78 and 161,792.54

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Solution

The fourth proportional to 561,182.93, 841,898.78 and 161,792.54 is: 242,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,182.93 : 841,898.78 = 161,792.54 : x
  2. Step 2: Convert to fraction form
    561,182.93/841,898.78 = 161,792.54/x
  3. Step 3: Cross multiply
    561,182.93x = 841,898.78 × 161,792.54
  4. Step 4: Simplify right side
    561,182.93x = 136,212,938,234.09
  5. Step 5: Solve for x
    x = 136,212,938,234.09/561,182.93
  6. Step 6: Final answer
    x = 242,724.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.