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Finding the Fourth Proportional to 252,604.37, 348,602.47 and 137,889.81

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Solution

The fourth proportional to 252,604.37, 348,602.47 and 137,889.81 is: 190,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,604.37 : 348,602.47 = 137,889.81 : x
  2. Step 2: Convert to fraction form
    252,604.37/348,602.47 = 137,889.81/x
  3. Step 3: Cross multiply
    252,604.37x = 348,602.47 × 137,889.81
  4. Step 4: Simplify right side
    252,604.37x = 48,068,728,267.65
  5. Step 5: Solve for x
    x = 48,068,728,267.65/252,604.37
  6. Step 6: Final answer
    x = 190,292.55

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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.