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Finding the Fourth Proportional to 113,310, 169,968.60 and 34,424.91

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Solution

The fourth proportional to 113,310, 169,968.60 and 34,424.91 is: 51,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310 : 169,968.60 = 34,424.91 : x
  2. Step 2: Convert to fraction form
    113,310/169,968.60 = 34,424.91/x
  3. Step 3: Cross multiply
    113,310x = 169,968.60 × 34,424.91
  4. Step 4: Simplify right side
    113,310x = 5,851,153,757.83
  5. Step 5: Solve for x
    x = 5,851,153,757.83/113,310
  6. Step 6: Final answer
    x = 51,638.46

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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.