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Finding the Fourth Proportional to 79,234.88, 109,344.98 and 43,424.12

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Solution

The fourth proportional to 79,234.88, 109,344.98 and 43,424.12 is: 59,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.88 : 109,344.98 = 43,424.12 : x
  2. Step 2: Convert to fraction form
    79,234.88/109,344.98 = 43,424.12/x
  3. Step 3: Cross multiply
    79,234.88x = 109,344.98 × 43,424.12
  4. Step 4: Simplify right side
    79,234.88x = 4,748,209,532.92
  5. Step 5: Solve for x
    x = 4,748,209,532.92/79,234.88
  6. Step 6: Final answer
    x = 59,925.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.