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Finding the Fourth Proportional to 238,081.93, 328,562.53 and 130,655.84

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Solution

The fourth proportional to 238,081.93, 328,562.53 and 130,655.84 is: 180,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.93 : 328,562.53 = 130,655.84 : x
  2. Step 2: Convert to fraction form
    238,081.93/328,562.53 = 130,655.84/x
  3. Step 3: Cross multiply
    238,081.93x = 328,562.53 × 130,655.84
  4. Step 4: Simplify right side
    238,081.93x = 42,928,611,380.22
  5. Step 5: Solve for x
    x = 42,928,611,380.22/238,081.93
  6. Step 6: Final answer
    x = 180,310.24

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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.