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Finding the Fourth Proportional to 70,334.88, 105,424.92 and 34,743.51

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Solution

The fourth proportional to 70,334.88, 105,424.92 and 34,743.51 is: 52,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.88 : 105,424.92 = 34,743.51 : x
  2. Step 2: Convert to fraction form
    70,334.88/105,424.92 = 34,743.51/x
  3. Step 3: Cross multiply
    70,334.88x = 105,424.92 × 34,743.51
  4. Step 4: Simplify right side
    70,334.88x = 3,662,831,762.27
  5. Step 5: Solve for x
    x = 3,662,831,762.27/70,334.88
  6. Step 6: Final answer
    x = 52,077.03

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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.