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Finding the Fourth Proportional to 252,704.61, 348,723.23 and 139,524.93

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Solution

The fourth proportional to 252,704.61, 348,723.23 and 139,524.93 is: 192,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,704.61 : 348,723.23 = 139,524.93 : x
  2. Step 2: Convert to fraction form
    252,704.61/348,723.23 = 139,524.93/x
  3. Step 3: Cross multiply
    252,704.61x = 348,723.23 × 139,524.93
  4. Step 4: Simplify right side
    252,704.61x = 48,655,583,557.50
  5. Step 5: Solve for x
    x = 48,655,583,557.50/252,704.61
  6. Step 6: Final answer
    x = 192,539.36

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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.