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Finding the Fourth Proportional to 540,261.88, 810,438.84 and 161,158.18

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Solution

The fourth proportional to 540,261.88, 810,438.84 and 161,158.18 is: 241,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,261.88 : 810,438.84 = 161,158.18 : x
  2. Step 2: Convert to fraction form
    540,261.88/810,438.84 = 161,158.18/x
  3. Step 3: Cross multiply
    540,261.88x = 810,438.84 × 161,158.18
  4. Step 4: Simplify right side
    540,261.88x = 130,608,848,455.71
  5. Step 5: Solve for x
    x = 130,608,848,455.71/540,261.88
  6. Step 6: Final answer
    x = 241,751.00

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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.