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Finding the Fourth Proportional to 68,409.76, 94,444.76 and 52,149.44

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Solution

The fourth proportional to 68,409.76, 94,444.76 and 52,149.44 is: 71,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.76 : 94,444.76 = 52,149.44 : x
  2. Step 2: Convert to fraction form
    68,409.76/94,444.76 = 52,149.44/x
  3. Step 3: Cross multiply
    68,409.76x = 94,444.76 × 52,149.44
  4. Step 4: Simplify right side
    68,409.76x = 4,925,241,344.93
  5. Step 5: Solve for x
    x = 4,925,241,344.93/68,409.76
  6. Step 6: Final answer
    x = 71,996.18

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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.