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Finding the Fourth Proportional to 139,283.17, 208,900.06 and 63,364.07

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Solution

The fourth proportional to 139,283.17, 208,900.06 and 63,364.07 is: 95,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,283.17 : 208,900.06 = 63,364.07 : x
  2. Step 2: Convert to fraction form
    139,283.17/208,900.06 = 63,364.07/x
  3. Step 3: Cross multiply
    139,283.17x = 208,900.06 × 63,364.07
  4. Step 4: Simplify right side
    139,283.17x = 13,236,758,388.68
  5. Step 5: Solve for x
    x = 13,236,758,388.68/139,283.17
  6. Step 6: Final answer
    x = 95,034.87

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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.