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Finding the Fourth Proportional to 540,167.94, 810,252.27 and 140,807.70

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Solution

The fourth proportional to 540,167.94, 810,252.27 and 140,807.70 is: 211,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,167.94 : 810,252.27 = 140,807.70 : x
  2. Step 2: Convert to fraction form
    540,167.94/810,252.27 = 140,807.70/x
  3. Step 3: Cross multiply
    540,167.94x = 810,252.27 × 140,807.70
  4. Step 4: Simplify right side
    540,167.94x = 114,089,758,558.48
  5. Step 5: Solve for x
    x = 114,089,758,558.48/540,167.94
  6. Step 6: Final answer
    x = 211,211.64

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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.