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Finding the Fourth Proportional to 88,992.32, 122,797.52 and 51,259.28

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Solution

The fourth proportional to 88,992.32, 122,797.52 and 51,259.28 is: 70,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992.32 : 122,797.52 = 51,259.28 : x
  2. Step 2: Convert to fraction form
    88,992.32/122,797.52 = 51,259.28/x
  3. Step 3: Cross multiply
    88,992.32x = 122,797.52 × 51,259.28
  4. Step 4: Simplify right side
    88,992.32x = 6,294,512,460.99
  5. Step 5: Solve for x
    x = 6,294,512,460.99/88,992.32
  6. Step 6: Final answer
    x = 70,730.96

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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.