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Finding the Fourth Proportional to 88,807.55, 122,548.55 and 50,571

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Solution

The fourth proportional to 88,807.55, 122,548.55 and 50,571 is: 69,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,807.55 : 122,548.55 = 50,571 : x
  2. Step 2: Convert to fraction form
    88,807.55/122,548.55 = 50,571/x
  3. Step 3: Cross multiply
    88,807.55x = 122,548.55 × 50,571
  4. Step 4: Simplify right side
    88,807.55x = 6,197,402,469.20
  5. Step 5: Solve for x
    x = 6,197,402,469.20/88,807.55
  6. Step 6: Final answer
    x = 69,784.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.