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Finding the Fourth Proportional to 114,704.96, 158,248.62 and 84,561.84

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Solution

The fourth proportional to 114,704.96, 158,248.62 and 84,561.84 is: 116,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,704.96 : 158,248.62 = 84,561.84 : x
  2. Step 2: Convert to fraction form
    114,704.96/158,248.62 = 84,561.84/x
  3. Step 3: Cross multiply
    114,704.96x = 158,248.62 × 84,561.84
  4. Step 4: Simplify right side
    114,704.96x = 13,381,794,484.66
  5. Step 5: Solve for x
    x = 13,381,794,484.66/114,704.96
  6. Step 6: Final answer
    x = 116,662.74

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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.