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Finding the Fourth Proportional to 91,267.02, 136,567.47 and 53,845.02

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Solution

The fourth proportional to 91,267.02, 136,567.47 and 53,845.02 is: 80,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,267.02 : 136,567.47 = 53,845.02 : x
  2. Step 2: Convert to fraction form
    91,267.02/136,567.47 = 53,845.02/x
  3. Step 3: Cross multiply
    91,267.02x = 136,567.47 × 53,845.02
  4. Step 4: Simplify right side
    91,267.02x = 7,353,478,153.50
  5. Step 5: Solve for x
    x = 7,353,478,153.50/91,267.02
  6. Step 6: Final answer
    x = 80,571.03

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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.