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Finding the Fourth Proportional to 73,158.93, 100,958.99 and 39,624.93

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Solution

The fourth proportional to 73,158.93, 100,958.99 and 39,624.93 is: 54,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.93 : 100,958.99 = 39,624.93 : x
  2. Step 2: Convert to fraction form
    73,158.93/100,958.99 = 39,624.93/x
  3. Step 3: Cross multiply
    73,158.93x = 100,958.99 × 39,624.93
  4. Step 4: Simplify right side
    73,158.93x = 4,000,492,713.50
  5. Step 5: Solve for x
    x = 4,000,492,713.50/73,158.93
  6. Step 6: Final answer
    x = 54,682.22

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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.