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Finding the Fourth Proportional to 362,088.72, 543,003.48 and 125,367.84

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Solution

The fourth proportional to 362,088.72, 543,003.48 and 125,367.84 is: 188,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,088.72 : 543,003.48 = 125,367.84 : x
  2. Step 2: Convert to fraction form
    362,088.72/543,003.48 = 125,367.84/x
  3. Step 3: Cross multiply
    362,088.72x = 543,003.48 × 125,367.84
  4. Step 4: Simplify right side
    362,088.72x = 68,075,173,400.08
  5. Step 5: Solve for x
    x = 68,075,173,400.08/362,088.72
  6. Step 6: Final answer
    x = 188,006.89

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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.