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Finding the Fourth Proportional to 200,355.59, 276,494.11 and 109,710.11

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Solution

The fourth proportional to 200,355.59, 276,494.11 and 109,710.11 is: 151,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,355.59 : 276,494.11 = 109,710.11 : x
  2. Step 2: Convert to fraction form
    200,355.59/276,494.11 = 109,710.11/x
  3. Step 3: Cross multiply
    200,355.59x = 276,494.11 × 109,710.11
  4. Step 4: Simplify right side
    200,355.59x = 30,334,197,565.71
  5. Step 5: Solve for x
    x = 30,334,197,565.71/200,355.59
  6. Step 6: Final answer
    x = 151,401.81

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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.