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Finding the Fourth Proportional to 252,295.76, 348,165.61 and 137,574.12

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Solution

The fourth proportional to 252,295.76, 348,165.61 and 137,574.12 is: 189,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,295.76 : 348,165.61 = 137,574.12 : x
  2. Step 2: Convert to fraction form
    252,295.76/348,165.61 = 137,574.12/x
  3. Step 3: Cross multiply
    252,295.76x = 348,165.61 × 137,574.12
  4. Step 4: Simplify right side
    252,295.76x = 47,898,577,410.01
  5. Step 5: Solve for x
    x = 47,898,577,410.01/252,295.76
  6. Step 6: Final answer
    x = 189,850.90

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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.