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Finding the Fourth Proportional to 252,284.52, 348,138.84 and 139,098.36

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Solution

The fourth proportional to 252,284.52, 348,138.84 and 139,098.36 is: 191,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,284.52 : 348,138.84 = 139,098.36 : x
  2. Step 2: Convert to fraction form
    252,284.52/348,138.84 = 139,098.36/x
  3. Step 3: Cross multiply
    252,284.52x = 348,138.84 × 139,098.36
  4. Step 4: Simplify right side
    252,284.52x = 48,425,541,696.30
  5. Step 5: Solve for x
    x = 48,425,541,696.30/252,284.52
  6. Step 6: Final answer
    x = 191,948.13

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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.