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Finding the Fourth Proportional to 252,614.60, 348,611.04 and 139,437.44

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Solution

The fourth proportional to 252,614.60, 348,611.04 and 139,437.44 is: 192,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,614.60 : 348,611.04 = 139,437.44 : x
  2. Step 2: Convert to fraction form
    252,614.60/348,611.04 = 139,437.44/x
  3. Step 3: Cross multiply
    252,614.60x = 348,611.04 × 139,437.44
  4. Step 4: Simplify right side
    252,614.60x = 48,609,430,973.34
  5. Step 5: Solve for x
    x = 48,609,430,973.34/252,614.60
  6. Step 6: Final answer
    x = 192,425.26

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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.