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Finding the Fourth Proportional to 200,415.03, 276,575.90 and 109,769.37

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Solution

The fourth proportional to 200,415.03, 276,575.90 and 109,769.37 is: 151,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,415.03 : 276,575.90 = 109,769.37 : x
  2. Step 2: Convert to fraction form
    200,415.03/276,575.90 = 109,769.37/x
  3. Step 3: Cross multiply
    200,415.03x = 276,575.90 × 109,769.37
  4. Step 4: Simplify right side
    200,415.03x = 30,359,561,751.34
  5. Step 5: Solve for x
    x = 30,359,561,751.34/200,415.03
  6. Step 6: Final answer
    x = 151,483.46

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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.