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Finding the Fourth Proportional to 252,573.12, 348,552.72 and 137,850.72

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Solution

The fourth proportional to 252,573.12, 348,552.72 and 137,850.72 is: 190,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,573.12 : 348,552.72 = 137,850.72 : x
  2. Step 2: Convert to fraction form
    252,573.12/348,552.72 = 137,850.72/x
  3. Step 3: Cross multiply
    252,573.12x = 348,552.72 × 137,850.72
  4. Step 4: Simplify right side
    252,573.12x = 48,048,243,409.96
  5. Step 5: Solve for x
    x = 48,048,243,409.96/252,573.12
  6. Step 6: Final answer
    x = 190,234.98

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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.