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Finding the Fourth Proportional to 252,685.44, 348,710.40 and 139,501.44

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Solution

The fourth proportional to 252,685.44, 348,710.40 and 139,501.44 is: 192,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,685.44 : 348,710.40 = 139,501.44 : x
  2. Step 2: Convert to fraction form
    252,685.44/348,710.40 = 139,501.44/x
  3. Step 3: Cross multiply
    252,685.44x = 348,710.40 × 139,501.44
  4. Step 4: Simplify right side
    252,685.44x = 48,645,602,942.98
  5. Step 5: Solve for x
    x = 48,645,602,942.98/252,685.44
  6. Step 6: Final answer
    x = 192,514.47

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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.