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Finding the Fourth Proportional to 252,683.55, 348,701.36 and 137,958.39

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Solution

The fourth proportional to 252,683.55, 348,701.36 and 137,958.39 is: 190,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,683.55 : 348,701.36 = 137,958.39 : x
  2. Step 2: Convert to fraction form
    252,683.55/348,701.36 = 137,958.39/x
  3. Step 3: Cross multiply
    252,683.55x = 348,701.36 × 137,958.39
  4. Step 4: Simplify right side
    252,683.55x = 48,106,277,526.62
  5. Step 5: Solve for x
    x = 48,106,277,526.62/252,683.55
  6. Step 6: Final answer
    x = 190,381.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.