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Finding the Fourth Proportional to 540,251.88, 810,423.83 and 161,148.18

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Solution

The fourth proportional to 540,251.88, 810,423.83 and 161,148.18 is: 241,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,251.88 : 810,423.83 = 161,148.18 : x
  2. Step 2: Convert to fraction form
    540,251.88/810,423.83 = 161,148.18/x
  3. Step 3: Cross multiply
    540,251.88x = 810,423.83 × 161,148.18
  4. Step 4: Simplify right side
    540,251.88x = 130,598,328,675.09
  5. Step 5: Solve for x
    x = 130,598,328,675.09/540,251.88
  6. Step 6: Final answer
    x = 241,736.00

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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.