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Finding the Fourth Proportional to 200,484.60, 276,698.22 and 115,585.08

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Solution

The fourth proportional to 200,484.60, 276,698.22 and 115,585.08 is: 159,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484.60 : 276,698.22 = 115,585.08 : x
  2. Step 2: Convert to fraction form
    200,484.60/276,698.22 = 115,585.08/x
  3. Step 3: Cross multiply
    200,484.60x = 276,698.22 × 115,585.08
  4. Step 4: Simplify right side
    200,484.60x = 31,982,185,894.56
  5. Step 5: Solve for x
    x = 31,982,185,894.56/200,484.60
  6. Step 6: Final answer
    x = 159,524.40

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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.