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Finding the Fourth Proportional to 145,694.99, 218,581.38 and 52,210.19

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Solution

The fourth proportional to 145,694.99, 218,581.38 and 52,210.19 is: 78,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,694.99 : 218,581.38 = 52,210.19 : x
  2. Step 2: Convert to fraction form
    145,694.99/218,581.38 = 52,210.19/x
  3. Step 3: Cross multiply
    145,694.99x = 218,581.38 × 52,210.19
  4. Step 4: Simplify right side
    145,694.99x = 11,412,175,926.72
  5. Step 5: Solve for x
    x = 11,412,175,926.72/145,694.99
  6. Step 6: Final answer
    x = 78,329.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.