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Finding the Fourth Proportional to 88,963.92, 122,814.63 and 51,230.88

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Solution

The fourth proportional to 88,963.92, 122,814.63 and 51,230.88 is: 70,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,963.92 : 122,814.63 = 51,230.88 : x
  2. Step 2: Convert to fraction form
    88,963.92/122,814.63 = 51,230.88/x
  3. Step 3: Cross multiply
    88,963.92x = 122,814.63 × 51,230.88
  4. Step 4: Simplify right side
    88,963.92x = 6,291,901,571.77
  5. Step 5: Solve for x
    x = 6,291,901,571.77/88,963.92
  6. Step 6: Final answer
    x = 70,724.19

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1.5x scale

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.