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Finding the Fourth Proportional to 268,052.70, 401,733.45 and 127,508.70

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Solution

The fourth proportional to 268,052.70, 401,733.45 and 127,508.70 is: 191,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,052.70 : 401,733.45 = 127,508.70 : x
  2. Step 2: Convert to fraction form
    268,052.70/401,733.45 = 127,508.70/x
  3. Step 3: Cross multiply
    268,052.70x = 401,733.45 × 127,508.70
  4. Step 4: Simplify right side
    268,052.70x = 51,224,509,956.02
  5. Step 5: Solve for x
    x = 51,224,509,956.02/268,052.70
  6. Step 6: Final answer
    x = 191,098.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.