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Finding the Fourth Proportional to 200,034.04, 276,046.96 and 109,390.08

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Solution

The fourth proportional to 200,034.04, 276,046.96 and 109,390.08 is: 150,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,034.04 : 276,046.96 = 109,390.08 : x
  2. Step 2: Convert to fraction form
    200,034.04/276,046.96 = 109,390.08/x
  3. Step 3: Cross multiply
    200,034.04x = 276,046.96 × 109,390.08
  4. Step 4: Simplify right side
    200,034.04x = 30,196,799,038.16
  5. Step 5: Solve for x
    x = 30,196,799,038.16/200,034.04
  6. Step 6: Final answer
    x = 150,958.30

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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.