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Finding the Fourth Proportional to 540,184.84, 810,151.26 and 161,070.76

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Solution

The fourth proportional to 540,184.84, 810,151.26 and 161,070.76 is: 241,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,184.84 : 810,151.26 = 161,070.76 : x
  2. Step 2: Convert to fraction form
    540,184.84/810,151.26 = 161,070.76/x
  3. Step 3: Cross multiply
    540,184.84x = 810,151.26 × 161,070.76
  4. Step 4: Simplify right side
    540,184.84x = 130,491,679,163.16
  5. Step 5: Solve for x
    x = 130,491,679,163.16/540,184.84
  6. Step 6: Final answer
    x = 241,568.57

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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.