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Finding the Fourth Proportional to 200,358.79, 300,468.99 and 58,165.51

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Solution

The fourth proportional to 200,358.79, 300,468.99 and 58,165.51 is: 87,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,358.79 : 300,468.99 = 58,165.51 : x
  2. Step 2: Convert to fraction form
    200,358.79/300,468.99 = 58,165.51/x
  3. Step 3: Cross multiply
    200,358.79x = 300,468.99 × 58,165.51
  4. Step 4: Simplify right side
    200,358.79x = 17,476,932,042.53
  5. Step 5: Solve for x
    x = 17,476,932,042.53/200,358.79
  6. Step 6: Final answer
    x = 87,228.18

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1.5x scale

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.