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Finding the Fourth Proportional to 347,563.51, 521,394.61 and 107,696.26

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Solution

The fourth proportional to 347,563.51, 521,394.61 and 107,696.26 is: 161,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,563.51 : 521,394.61 = 107,696.26 : x
  2. Step 2: Convert to fraction form
    347,563.51/521,394.61 = 107,696.26/x
  3. Step 3: Cross multiply
    347,563.51x = 521,394.61 × 107,696.26
  4. Step 4: Simplify right side
    347,563.51x = 56,152,250,647.36
  5. Step 5: Solve for x
    x = 56,152,250,647.36/347,563.51
  6. Step 6: Final answer
    x = 161,559.68

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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.