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Finding the Fourth Proportional to 84,524.59, 116,502.21 and 67,474.18

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Solution

The fourth proportional to 84,524.59, 116,502.21 and 67,474.18 is: 93,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,524.59 : 116,502.21 = 67,474.18 : x
  2. Step 2: Convert to fraction form
    84,524.59/116,502.21 = 67,474.18/x
  3. Step 3: Cross multiply
    84,524.59x = 116,502.21 × 67,474.18
  4. Step 4: Simplify right side
    84,524.59x = 7,860,891,087.94
  5. Step 5: Solve for x
    x = 7,860,891,087.94/84,524.59
  6. Step 6: Final answer
    x = 93,001.23

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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.