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Finding the Fourth Proportional to 501,262.92, 751,938.59 and 141,436.93

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Solution

The fourth proportional to 501,262.92, 751,938.59 and 141,436.93 is: 212,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,262.92 : 751,938.59 = 141,436.93 : x
  2. Step 2: Convert to fraction form
    501,262.92/751,938.59 = 141,436.93/x
  3. Step 3: Cross multiply
    501,262.92x = 751,938.59 × 141,436.93
  4. Step 4: Simplify right side
    501,262.92x = 106,351,883,131.10
  5. Step 5: Solve for x
    x = 106,351,883,131.10/501,262.92
  6. Step 6: Final answer
    x = 212,167.86

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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.