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Finding the Fourth Proportional to 71,988.39, 107,826.74 and 46,952.48

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Solution

The fourth proportional to 71,988.39, 107,826.74 and 46,952.48 is: 70,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,988.39 : 107,826.74 = 46,952.48 : x
  2. Step 2: Convert to fraction form
    71,988.39/107,826.74 = 46,952.48/x
  3. Step 3: Cross multiply
    71,988.39x = 107,826.74 × 46,952.48
  4. Step 4: Simplify right side
    71,988.39x = 5,062,733,064.19
  5. Step 5: Solve for x
    x = 5,062,733,064.19/71,988.39
  6. Step 6: Final answer
    x = 70,327.08

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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.