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Finding the Fourth Proportional to 200,337.92, 276,466.29 and 109,693.87

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Solution

The fourth proportional to 200,337.92, 276,466.29 and 109,693.87 is: 151,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,337.92 : 276,466.29 = 109,693.87 : x
  2. Step 2: Convert to fraction form
    200,337.92/276,466.29 = 109,693.87/x
  3. Step 3: Cross multiply
    200,337.92x = 276,466.29 × 109,693.87
  4. Step 4: Simplify right side
    200,337.92x = 30,326,657,274.64
  5. Step 5: Solve for x
    x = 30,326,657,274.64/200,337.92
  6. Step 6: Final answer
    x = 151,377.52

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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.