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Finding the Fourth Proportional to 113,225.80, 169,817.10 and 34,342.60

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Solution

The fourth proportional to 113,225.80, 169,817.10 and 34,342.60 is: 51,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,225.80 : 169,817.10 = 34,342.60 : x
  2. Step 2: Convert to fraction form
    113,225.80/169,817.10 = 34,342.60/x
  3. Step 3: Cross multiply
    113,225.80x = 169,817.10 × 34,342.60
  4. Step 4: Simplify right side
    113,225.80x = 5,831,960,738.46
  5. Step 5: Solve for x
    x = 5,831,960,738.46/113,225.80
  6. Step 6: Final answer
    x = 51,507.35

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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.