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Finding the Fourth Proportional to 238,260.84, 328,760.98 and 136,269.88

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Solution

The fourth proportional to 238,260.84, 328,760.98 and 136,269.88 is: 188,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,260.84 : 328,760.98 = 136,269.88 : x
  2. Step 2: Convert to fraction form
    238,260.84/328,760.98 = 136,269.88/x
  3. Step 3: Cross multiply
    238,260.84x = 328,760.98 × 136,269.88
  4. Step 4: Simplify right side
    238,260.84x = 44,800,219,293.28
  5. Step 5: Solve for x
    x = 44,800,219,293.28/238,260.84
  6. Step 6: Final answer
    x = 188,030.14

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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.