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Finding the Fourth Proportional to 200,488.60, 276,483.06 and 119,902.84

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Solution

The fourth proportional to 200,488.60, 276,483.06 and 119,902.84 is: 165,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,488.60 : 276,483.06 = 119,902.84 : x
  2. Step 2: Convert to fraction form
    200,488.60/276,483.06 = 119,902.84/x
  3. Step 3: Cross multiply
    200,488.60x = 276,483.06 × 119,902.84
  4. Step 4: Simplify right side
    200,488.60x = 33,151,104,105.89
  5. Step 5: Solve for x
    x = 33,151,104,105.89/200,488.60
  6. Step 6: Final answer
    x = 165,351.57

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1.5x scale

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.