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Finding the Fourth Proportional to 88,976, 122,762.72 and 53,150.08

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Solution

The fourth proportional to 88,976, 122,762.72 and 53,150.08 is: 73,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,976 : 122,762.72 = 53,150.08 : x
  2. Step 2: Convert to fraction form
    88,976/122,762.72 = 53,150.08/x
  3. Step 3: Cross multiply
    88,976x = 122,762.72 × 53,150.08
  4. Step 4: Simplify right side
    88,976x = 6,524,848,389.02
  5. Step 5: Solve for x
    x = 6,524,848,389.02/88,976
  6. Step 6: Final answer
    x = 73,332.68

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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.