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Finding the Fourth Proportional to 362,095.72, 543,013.98 and 125,374.84

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Solution

The fourth proportional to 362,095.72, 543,013.98 and 125,374.84 is: 188,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,095.72 : 543,013.98 = 125,374.84 : x
  2. Step 2: Convert to fraction form
    362,095.72/543,013.98 = 125,374.84/x
  3. Step 3: Cross multiply
    362,095.72x = 543,013.98 × 125,374.84
  4. Step 4: Simplify right side
    362,095.72x = 68,080,290,860.26
  5. Step 5: Solve for x
    x = 68,080,290,860.26/362,095.72
  6. Step 6: Final answer
    x = 188,017.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.