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Finding the Fourth Proportional to 67,347.52, 100,953.06 and 43,670.08

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Solution

The fourth proportional to 67,347.52, 100,953.06 and 43,670.08 is: 65,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,347.52 : 100,953.06 = 43,670.08 : x
  2. Step 2: Convert to fraction form
    67,347.52/100,953.06 = 43,670.08/x
  3. Step 3: Cross multiply
    67,347.52x = 100,953.06 × 43,670.08
  4. Step 4: Simplify right side
    67,347.52x = 4,408,628,206.44
  5. Step 5: Solve for x
    x = 4,408,628,206.44/67,347.52
  6. Step 6: Final answer
    x = 65,460.88

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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.