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Finding the Fourth Proportional to 200,073.40, 276,097.41 and 109,429.10

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Solution

The fourth proportional to 200,073.40, 276,097.41 and 109,429.10 is: 151,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,073.40 : 276,097.41 = 109,429.10 : x
  2. Step 2: Convert to fraction form
    200,073.40/276,097.41 = 109,429.10/x
  3. Step 3: Cross multiply
    200,073.40x = 276,097.41 × 109,429.10
  4. Step 4: Simplify right side
    200,073.40x = 30,213,091,088.63
  5. Step 5: Solve for x
    x = 30,213,091,088.63/200,073.40
  6. Step 6: Final answer
    x = 151,010.03

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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.