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Finding the Fourth Proportional to 259,882.66, 358,643.97 and 152,530.12

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Solution

The fourth proportional to 259,882.66, 358,643.97 and 152,530.12 is: 210,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,882.66 : 358,643.97 = 152,530.12 : x
  2. Step 2: Convert to fraction form
    259,882.66/358,643.97 = 152,530.12/x
  3. Step 3: Cross multiply
    259,882.66x = 358,643.97 × 152,530.12
  4. Step 4: Simplify right side
    259,882.66x = 54,704,008,229.68
  5. Step 5: Solve for x
    x = 54,704,008,229.68/259,882.66
  6. Step 6: Final answer
    x = 210,495.03

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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.